Dan Wolheim

Joel and Priscilla have been in love since they were children. Mark announces his engagement to her without obtaining her permission. While Joel and Mark are at sea Mark is abandoned in Singapore by the Ship's Mate Finch who, upon their return, convinces the townspeople that Joel abandoned his brother... (imdb)

When Captain Erickson finds a baby in a lifeboat he abducts a prostitute, Singapore Sal, to care for the kid. The baby becomes ill, and Sal and Erickson together fight for his life; his fever breaks as they reach Frisco. Sal prepares to take the child and go ashore. She becomes suddenly ashamed of her old calling and leaves the baby with Erickson, sailing with Captain Sunday. Erickson sails after them and boards Sunday's ship. He beats Sunday's crew and forces Sunday to marry him to Sal. (AFI)

Ed Brady has killed about a dozen of the police department's detective squad, so they have promoted a batch to that rank and sent Lloyd Hamilton to capture Brady.