Daisy Kenyon is a Manhattan commercial artist having an affair with an arrogant and overbearing but successful lawyer named Dan O’Mara. O’Mara is married and has children. Daisy meets a single man, a war veteran named Peter Lapham, and after a brief and hesitant courtship decides to marry him, although she is still in love with Dan.

High-school principal Dr. Alfred Carroll relates to an audience of parents that marijuana can have devastating effects on teens: a drug supplier entices several restless teens, Mary and Jimmy Lane, sister and brother, and Bill, Mary’s boyfriend, into frequenting a reefer house. Gradually, Bill and Jimmy are drawn into smoking dope, which affects their family lives.