Frank McCloud travels to a run-down hotel on Key Largo to honor the memory of a friend who died bravely in his unit during WW II. His friend's widow, Nora Temple, and wheelchair bound father, James Temple manage the hotel and receive him warmly, but the three of them soon find themselves virtual prisoners when the hotel is taken over by a mob of gangsters led by Johnny Rocco who hole up there to await the passing of a hurricane. Mr. Temple strongly reviles Rocco but due to his infirmities can only confront him verbally. Having become disillusioned by the violence of war, Frank is reluctant to act, but Rocco's demeaning treatment of his alcoholic moll, Gaye Dawn, and his complicity in the deaths of some innocent Seminole Indians and a deputy sheriff start to motivate McCloud to overcome his Hamlet-like inaction.

Two New York City longshoremen Axel Nordmann, an Army deserter and Tommy Tyler, an easy-going freight car loader whose growing friendship is threatened by Charles Malik, a notably repellent punk.

Police Lt. Diamond is told to close his surveillance of suspected mob boss Mr. Brown because it's costing the department too much money with no results. Diamond makes one last attempt to uncover evidence against Brown by going to Brown's girlfriend, Susan Lowell.

'Doc' Riedenschneider, legendary crime 'brain' just out of prison, has a brilliant plan for a million-dollar burglary. To pull it off, he recruits safecracker Louis, driver Gus, financial backer Emmerich, and strong-arm man Dix Handley. At first the plan goes like clockwork, but little accidents accumulate and each partner proves to have his own fatal weakness. In the background is a pervasive, grimy urban malaise.

Romantic, obsessive Steve Thompson is drawn back to L.A. to make another try for Anna, his former wife. However, Anna belongs now to the L.A. underworld. Steve believes he can rescue her, ignoring the advice and warnings of people who would try to save him. He commits himself to a dangerous course of action that quickly takes everyone somewhere unintended.

Joan is the secretary to the public defender in a large city. She is in love with a career criminal named Eddie, and she believes that he is a basically good person who just had some tough breaks. She uses her influence to get him released early, and he tries to go straight after marrying her, but things don't work out, and they both go on the lam.

Harry Fabian is a London hustler with ambitious plans that never work out. One day, when he encounters the most famous Greco-Roman wrestler in the world, Gregorius, at a London wrestling arena run by his son Kristo, he dreams up a scheme that he thinks will finally be his ticket to financial independence. As Fabian attempts to con everyone around him to get his scheme to work, he of course only ends up conning himself. This is an interesting tale of blind ambition, self-deception, broken dreams, and how a man who always thinks he's ahead of the game ends up tripping himself very badly.

Dave Purvis takes pride in being unknown to the law, though famed among fellow crooks as a planner He plots a holdup in meticulous detail; but things go wrong, a cop and two robbers are killed, and Purvis hides out with the money while Lieut. Cordell, friend of the dead cop, investigates. Purvis's new getaway plan shows promise, but may have one tiny flaw.

Dr. Cross, a psychiatrist, is treating a young woman, Janet Stewart, who is in a coma-state, brought on when she heard loud arguing, went to her window and saw a man strike his wife with a candlestick and kill her. As she comes out of her shock, she recognizes Dr. Cross as the killer. He takes her to his sanitarium and urged by his nurse/lover, Elaine Jordan, gives Janet an overdose of insulin. But he can't bring himself to murder her in cold blood and asks Elaine to get the medicine to save her. She refuses, they argue, and he strangles her. He saves Janet's life, but now faces two murder charges.

In pursuit of stolen aircraft engines on a Central American island, federal agent Rigby meets chief suspect Hintten and his wife Elizabeth, a sultry cafe singer; and is watched by Bealer, a "pie-shaped man" with sore feet. Rigby knows he's on the right track when Bealer offers him money to leave Carlota. When Rigby and Elizabeth are drawn to each other, the gang realizes there's more than one kind of bribe. Everybody sweats.

Claude is a young man with a regular job, no history of trouble with the law and no chance of making any real money. He also has the brains and emotional detachment to make the big bucks as a hit man, and that becomes his new job title. A string of successful hits gets him sent to Los Angeles for his latest job. There he is accompanied by two goons: one who is perpetually nervous and the other who quickly worships the young man as a hero. The cold, ruthless hit man finally becomes unglued when he finds out that his latest target is a woman. She's a witness, set to testify against his boss, and guarded day and night by the police. It's her femininity that worries Claude: women are unpredictable, they don't do what you expect. Claude eventually proves that he is the unpredictable one and his own worst enemy.

Cody Jarrett is the sadistic leader of a ruthless gang of thieves. Afflicted by terrible headaches and fiercely devoted to his 'Ma,' Cody is a volatile, violent, and eccentric leader. Cody's top henchman wants to lead the gang and attempts to have an 'accident' happen to Cody, while he is running the gang from in jail. But Cody is saved by an undercover cop, who thereby befriends him and infiltrates the gang. Finally, the stage is set for Cody's ultimate betrayal and downfall, during a big heist at a chemical plant.

Dave Bannion is an upright but unscrupulous cop on the trail of a vicious gang he suspects holds power over the police force. Bannion is tipped off after a colleague's suicide and his fellow officers' suspicious silence lead him to believe that they are on the gangsters' payroll. When a bomb meant for him kills his wife instead, Bannion becomes a furious force of vengeance and justice, aided along the way by the gangster's spurned girlfriend Debbie. As Bannion and Debbie fall further and further into the Gangland's insidious and brutal trap, they must use any means necessary (including murder) to get to the truth.

A frightened woman is running barefoot on a highway, trying desperately to flag a car. After several cars pass her by, the woman sees another car approaching, and to make sure either the car stops - or, she's killed, she stands in the path of an on-coming car. Private Investigator Mike Hammer is the one at the wheel, and after almost hitting the woman, he tells her to get in. The woman's name is Christina Bailey.. She is obviously on the run, being barefoot and wearing nothing but a trench coat, and the scent of fear. Whoever was after her eventually catches up with them. Christina has information they want, but dies while being questioned. The killers fake an accident by pushing Hammer's car off the road, but, he survives, waking up in hospital two weeks later. As Mike starts to investigate Christina's death, he's told by the police to stay out of it, but, the hard-nosed PI proceeds anyways. Little did he know that Christina's secret would lead to death and destruction.

J.J. Hunsecker, the most powerful newspaper columnist in New York, is determined to prevent his sister from marrying Steve Dallas, a jazz musician. He therefore covertly employs Sidney Falco, a sleazy and unscrupulous press agent, to break up the affair by any means possible.

The head of the Green Manors mental asylum Dr. Murchison is retiring to be replaced by Dr. Edwardes, a famous psychiatrist. Edwardes arrives and is immediately attracted to the beautiful but cold Dr. Constance Petersen. However, it soon becomes apparent that Dr. Edwardes is in fact a paranoid amnesiac impostor. He goes on the run with Constance who tries to help his condition and solve the mystery of what happened to the real Dr. Edwardes.

Refusing to give into police investigators' questions of suspicion, due to the seal of confession, a priest becomes the prime suspect in a murder.

Charles Tatum, a down-on-his-luck reporter, takes a job with a small New Mexico newspaper. The job is pretty boring until he finds a man trapped in an old Indian dwelling. He jumps at the chance to make a name for himself by taking over and prolonging the rescue effort, and feeding stories to major newspapers. He creates a national media sensation and milks it for all it is worth - until things go terribly wrong.

After borrowing $20 from his employer's cash register, an auto mechanic is plunged into a series of increasingly disastrous circumstances which rapidly spiral out of his control.

A war-veteran-turned-truck driver attempts to avenge the crippling and robbing of his father at the hands of an amoral produce scofflaw.

New York Assistant District Attorney Howard Malloy investigates a series of murders and uncovers an extremist group.

The lady editor of a crime magazine hires Philip Marlowe to find the wife of her boss. The private detective soon finds himself involved in murder.

Charley Davis wins an amateur boxing match and is taken on by promoter Quinn. Charley's mother doesn't want him to fight...

A married woman and a drifter fall in love, then plot to murder her husband... but even once the deed is done, they must live with the consequences of their actions.

When Kirk Bennett is convicted of a singer's murder, his wife tries to prove him innocent...aided by the victim's ex-husband.

Detective Mark McPherson investigates the killing of Laura, found dead on her apartment floor before the movie starts. McPherson builds a mental picture of the dead girl from the suspects whom he interviews. He is helped by the striking painting of the late lamented Laura hanging on her apartment wall. But who would have wanted to kill a girl with whom every man she met seemed to fall in love? To make matters worse, McPherson finds himself falling under her spell too. Then one night, halfway through his investigations, something seriously bizarre happens to make him re-think the whole case.

Paula's aunt, Alice Alquist, a famous entertainer, is murdered in her home. Paula, who lives with her aunt, finds the body. Police fail to find the killer, and Paula is sent away to school. Ten years later, Paula returns to London with her new husband. They take up residence in her aunt's house, which she has inherited. Paula is increasingly isolated by her husband but does come to the attention of an admirer of her aunt, Mr. Brian Cameron.

A young femme fatale-type woman realizes that the wealthy man she married is an incorrigible wastrel.

Hit man Philip Raven, who's kind to children and cats, kills a blackmailer and is paid off by traitor Willard Gates in "hot" money...

Cagney is Danny Kenny, a truck driver who enters "the fight game" and Sheridan plays his girlfriend...

Don Birnam, long-time alcoholic, has been "on the wagon" for ten days and seems to be over the worst; but his craving has just become more insidious. Evading a country weekend planned by his brother Wick and girlfriend Helen, he begins a four-day bender. In flashbacks we see past events, all gone wrong because of the bottle. But this bout looks like being his last...one way or the other.

Two drifters are passing through a Western town, when news comes in that a local farmer has been murdered and his cattle stolen. The townspeople, joined by the drifters, form a posse to catch the perpetrators. They find three men in possession of the cattle, and are determined to see justice done on the spot.

Charlotte 'Charlie' Newton is bored with her quiet life at home with her parents and her younger sister. She wishes something exciting would happen and knows exactly what they need: a visit from her sophisticated and much traveled uncle Charlie Oakley, her mother's younger brother. Imagine her delight when, out of the blue, they receive a telegram from uncle Charlie announcing that he is coming to visit them for awhile. Charlie Oakley creates quite a stir and charms the ladies club as well as the bank president where his brother-in-law works. Young Charlie begins to notice some odd behavior on his part, such as cutting out a story in the local paper about a man who marries and then murders rich widows. When two strangers appear asking questions about him, she begins to imagine the worse about her dearly beloved uncle Charlie.

After getting out of prison, Johnny Clay masterminds a complex race-track heist, but his scheme is complicated by the intervention of the wife of a teller (George Peatty) in on the scheme, the boyfriend of the wife, airport regulations, and a small dog.

Summoned by the dying General Sternwood, Philip Marlowe is asked to deal with several problems that are troubling his family. Marlowe finds that each problem centers about the disappearance of Sternwood's favoured employee who has left with a mobster's wife. Each of the problems becomes a cover for something else as Marlowe probes.

Bruno Anthony thinks he has the perfect plot to rid himself of his hated father and when he meets tennis player Guy Haines on a train, he thinks he's found the partner he needs to pull it off. His plan is relatively simple. Two strangers each agree to kill someone the other person wants disposed of. For example, Guy could kill his father and he could get rid of Guy's wife Miriam, freeing him to marry Anne Morton, the beautiful daughter of a U.S. Senator. Guy dismisses it all out of hand but but Bruno goes ahead with his half of the 'bargain' and disposes of Miriam. When Guy balks, Bruno makes it quite clear that he will plant evidence to implicate Guy in her murder if he doesn't get rid of his father. Guy had also made some unfortunate statements about Miriam after she had refused him a divorce. It all leads the police to believe Guy is responsible for the murder, forcing him to deal with Bruno's mad ravings.

In 1938, Walter Neff, an experienced salesman of the Pacific All Risk Insurance Co., meets the seductive wife of one of his clients, Phyllis Dietrichson, and they have an affair. Phyllis proposes to kill her husband to receive the proceeds of an accident insurance policy and Walter devises a scheme to receive twice the amount based on a double indemnity clause. When Mr. Dietrichson is found dead on a train-track, the police accept the determination of accidental death. However, the insurance analyst and Walter's best friend Barton Keyes does not buy the story and suspects that Phyllis has murdered her husband with the help of another man.