S11·E83 Body Beautiful

Croft and Skase get a free workout when they go undercover in a gym to catch a steroids dealer. Skase's attempt at casually moving up the food chain ends in disaster when the dealer smells a rat, so Croft, against the wishes of Datta, who had been investigating the dealer for beating his wife, visits her and uses details of the dealer's affair with a gym buddy as leverage to find out who has been supplying him the goods.