Captain James Bull sails to Boston to meet up with his partner Nat. He needs to go to Cuba on the way to buy more cigar leaf. They get driven off course by a mighty storm and almost perish. When he finally arrives in Boston, he finds it devastated by the storm. Nat's wife and child are dead. Nat rejoins James on the "Bessie" and they continue their adventures at sea. More women and more trouble await them as usual