Three passengers aboard an ocean liner reminisce about past loves. In “The Jealous Lover,” an acclaimed ballet choreographer (James Mason) remembers his tragic relationship with a talented young ballerina (Moira Shearer). In “Mademoiselle,” a young boy is magically transformed into a grown-up (Farley Granger) who then sparks a romance with his governess (Leslie Caron). In “Equilibrium,” a trapeze artist (Kirk Douglas) asks a suicidal woman (Pier Angeli) to join his death-defying act.