Chubasco (Christopher Jones) is a wayward youth who is given a choice by the presiding judge. His choices are go to jail or take an honest job on a fishing boat. He chooses to set sail, leaving behind his girl Bunny (Susan Strasberg) and her father Sebastian (Richard Egan), who obviously has it out for the wayward teen. He works on a tuna boat, learning to break free of a life of crime. He also meets a bordello madame named Angela (Ann Sothern) who may or may not be his mother.