A week ago, you received an invitation to visit the old abandoned town of St. Martica by someone named Mr. John Atkins. The rich businessman promised to share with you his recent discovery regarding an old Mayan civilization. Being a historian, you find this opportunity too good to pass. However, once you reach the town, you find out the truth behind the whole story. When your wife is kidnapped, you are forced to help Atkins and his gang in their quest for the famed Corwin's Treasure.