Ballin Mundson is an illegal gambling casino proprietor in South America. He hires new-comer Johnny Farrell, who quickly becomes his ‘main man’. Enter Gilda Mundson's new bride and a part of Johnny's past. Unaware of their connection, Mundson gives Farrell the task of minding her. best to antagonise, intimidate and instill jealousy in Farrell – until circumstances allow him to get even.