The stenographer Alice Sycamore is in love with her boss Tony Kirby, who is the vice-president of the powerful company owned by his greedy father Anthony P. Kirby. Kirby Sr. is dealing a monopoly in the trade of weapons, and needs to buy one last house in a twelve block area owned by Alice's grandparent Martin Vanderhof. However, Martin is the patriarch of an anarchic and eccentric family where the members do not care for money but for having fun and making friends. When Tony proposes Alice, she states that it would be mandatory to introduce her simple and lunatic family to the snobbish Kirbys, and Tone decides to visit Alice with his parents one day before the scheduled. There is an inevitable clash of classes and lifestyles, the Kirbys spurn the Sycamores and Alice breaks with Tony, changing the lives of the Kirby family.

On the same day two boys are born: the pauper Tom and prince Edward. As a kid, Tom sneaks into the palace garden and meets the prince. They change clothes with each other but the guards discover them and throw out the prince, since they are almost identical. Nobody believe them when they try to tell the truth. Soon after, the old king dies and the prince will inherit the throne. The evil earl of Hertford attempts to murder the prince to gain power for himself.

During WWII several murders occur at a convalescent home where Dr. Watson has volunteered his services. He summons Holmes for help and the master detective proceeds to solve the crime from a long list of suspects including the owners of the home, the staff and the patients recovering there.

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.

During the Nazi occupation of Poland, an acting troupe becomes embroiled in a Polish soldier's efforts to track down a German spy.

Sir William Hamilton, a widower of mature years, is British ambassador to the Court of Naples. Emma...