Carlo Roma and his foster-son, Toma, and their friend Beppo, are living a happy fisherman's life in San Francisco until Carlo's widowed sister-in-law, Stella, shows up with her brat-son, Rudolph, and takes over. Poor Toma gets his feelings hurt and the idea he "isn't wanted" and runs away

An American tourist in South America finds love and unexpected trouble.

After completing his voyages Sindbad the Sailor and his hearty crew have come home to find a palace coup d'etat has occurred and his home city is being run by a brutal dictator played by Pedro Armendariz. He's got designs on the beautiful young princess, Heidi Bruhl both lustful and political.