Tony Hudson offers his young wife Jane a cruise on a yacht as a honeymoon trip. Although Jane suffers from chronic seasickness, she accepts and one day they go on board the Turtle, a fine yacht owned by an industrialist friend, Dudley Partridge. A lot of misadventures await them before they finally reach France.

An unmarried, middle-aged woman accidentally gets pregnant by an internationally renowned pianist and decides to keep and raise the baby on her own.