At the turn of the century, a young widow moves with her daughter into a cottage on the English coast. Soon she learns that the cottage is haunted by the ghost of its former owner, a sea captain. When he finds he can't scare her away, they soon fall into a most unlikely love affair!

Jack Martin is an American entertainer working cabarets on the French Riviera. An impersonation of philandering industrialist Henri Duran is so convincingly that even Duran's beautiful wife is fooled by it. When Duran's business interests compel him to be in London when he should be hosting a large soiree at his home, Martin is persuaded to impersonate Duran at the party. But matters threaten to get out of hand when Martin, dressed as Duran, is confronted...

A visitor from outer space comes with the warning that unless war is abolished, Earth will be destroyed by the more advanced planets of the universe.