While on leave in WW I France an English officer and French cabaret star fall in love with one another and plan to marry. However, he is recalled to the front, wounded and has memory loss.

Naval commander Charles Sturm has made life miserable for his wife Diana due to his insane jealousy over every man she speaks to. His obsessive behavior soon drives her to the arms of a handsome lieutenant. When Charles learns of their affair, he plots revenge.