The Sailor from Gibraltar

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