Edward is a rich, ruthless businessman who specializes in taking over companies and then selling them off piece by piece. He travels to Los Angeles for a business trip and decides to hire a prostitute. They take a liking to each other and he offers her money if she'll stay with him for an entire week while he makes the "rich and famous" scene (since it doesn't do for a man of his stature to be alone at society parties and polo matches). Romantic comedy (and complications) ensue.

Louis Winthorpe is a businessman who works for commodities brokerage firm of Duke and Duke owned by the brothers Mortimer and Randolph Duke. Now they bicker over the most trivial of matters and what they are bickering about is whether it's a person's environment or heredity that determines how well they will do in life. When Winthorpe bumps into Billy Ray Valentine, a street hustler and assumes he is trying to rob him, he has him arrested. Upon seeing how different the two men are, the brothers...

Rosemary and Guy Woodhouse move into an apartment in a building with a bad reputation. They discover that their neighbours are a very friendly elderly couple named Roman and Minnie Castevet, and Guy begins to spend a lot of time with them. Strange things start to happen: a woman Rosemary meets in the washroom dies a mysterious death, Rosemary has strange dreams and hears strange noises and Guy becomes remote and distant. Then Rosemary falls pregnant and begins to suspect that her neighbours have...