Beech and Deakin infiltrate a bent, high-stakes poker game, where the dealer, Steve Travis, has been offering drugs as a form of payment in cases where he has lost the game. In order to catch Travis in the act, Deakin disguises himself as an Irish businessman and challenges Travis to an all-or-nothing game, while Beech uses a minor player in the league who owes money to Travis as a coy to making Travis come unstuck. Meanwhile, the Drugs Squad's DI Carter is fazed as Meadows watches over the operation.