Fred, George, Doug and Howie are quickly reaching middle-age. Three of them are married, only Fred is still a bachelor. They want something different than their ordinary marriages, children and TV-dinners. In secret, they get themselves an apartment with a beautiful young woman, Kathy, for romantic rendezvous. But Kathy does not tell them that she is a sociology student researching the sexual life of the white middle-class male.

Swindlers con a lunchroom clerk into doing them a favor, supposedly on behalf of the FBI.

Poor Red Jones gets fired from every job he tries. His fiancée gives him one last chance to make good when he becomes a Fuller Brush man. His awkward attempts at sales are further complicated when one of his customers is murdered and he becomes the prime suspect.

A wealthy man hires a private detective to investigate his wife's mysterious past.