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.

An American man returns to the village of his birth in Ireland, where he finds love and conflict.

An engineer leads the building of a trans-Atlantic tunnel linking Britain and the United States.