Alan, after quarreling with his girlfriend Sheila, becomes intrigued by Anna, a mysterious widow who's searching for a sailor she had known many years before. Alan and Anna begin the search on board a yacht bound for Greece, but they don't find the sailor. After a stop in Africa, Louis de Mozambique joins the party and suggests that the sailor may never have existed other than in Anna's mind.

Alan, after quarreling with his girlfriend Sheila, becomes intrigued by Anna, a mysterious widow who's searching for a sailor she had known many years before. Alan and Anna begin the search on board a yacht bound for Greece, but they don't find the sailor. After a stop in Africa, Louis de Mozambique joins the party and suggests that the sailor may never have existed other than in Anna's mind.