Marinai, donne e guai

Four sailors are off duty in Barcelona. Capo Campana ordered them to remain together when in the city. But Mario, one of them, falls for Manuela and leaves the other three. He is then robbed of his uniform and he is involved in a weapons trafficking. The other three are looking for him when they find three beautiful girls. At the end they all will meet at the night club Alcazar. What will it happen?