Desperate to land a man on the moon before Russia does, NASA hastily preps a would-be spaceman for a mission that would leave him alone in a lunar shelter for a year.

During the Korean War, Italian nurse Virna Lisi falls in love with two American fliers, Tony Curtis and George C. Scott. Lisi marries Curtis after he convinces her that Scott has been killed in a plane crash. She soon discovers Scott is alive, but remains happily married to Curtis until Scott re-enters their lives 14 years later.