Trampas is playing poker on a steamboat with Billy 'Moose' Valentine and others. Billy has a surefire winning hand and he is after an old steamboat owned by Skeet who is also in the game. When Skeet bets the boat to cover $300, Billy retrieves the money from his brother but it is stolen and traceable. When he spots the Plimpton detectives coming on board, he throws his hand. Trampas wins big including the riverboat from Skeet. He also wins a substantial amount of money, which the two railroad detectives confiscate as it was previously stolen. Upon landing ashore Skeet quickly leaves with his granddaughter Corey Ann and her beau, Jason, the temporary sheriff before Trampas can catch him. Broke without even $4 to pay for his horse's boarding, he decides to collect the $300 Skeet covered with the steamboat. He finds his new boat very dilapidated with Skeet and Corey Ann living on it. Skeet doesn't have the $300 so Trampas works to fix it with the help of Skeet and his granddaughter. But ...