Beach invites NYPD cop, and best-selling author, Lou Friskham-Farino to help the team gather enough evidence to arrest 'Smiler' McCarthy. He brings with him a bag containing $500,000, and a dye that will coat the money and anyone who opens the bag. Unfortunately, Mark Kemp can't resist the temptation to see what half a million dollars looks like, and he, and most of the rest of the team, spend the rest of the episode covered in silver paint! They get information about when McCarthy is to take delivery of a quantity of counterfeit money, and stake out his house.

Beach gives his team the day off, and spends the day with Ash, shopping and seeing the sights. Bones injures himself while trying to pull a car with his teeth, and spends most of the day in casualty. Kim and her flat mates go out to a club and get drunk. Gary get thrown out by his wife. Strings gets accused of noise pollution, and has an altercation with a neighbour. Mark is given a vigorous training session by Dominic de Sade, while Roy Leyton is unimpressed by the whole "day-off" thing. We don't know what Smiler McCarthy makes of it all, as we only see him briefly ...

Operation Good Guys has run out of money - they can't even afford electricity any longer, although civilian accountant Roy Leyton has managed to obtain a supply of candles. They do, however, have a special witness, who is prepared to go on live television "and blow the top off the McCarthy empire". To keep his identity secret, the team arrange for the witness, played by real-life reformed gangster Frankie Fraser, to be moved a safe house. They do this covertly by putting a blanket over his head, and escorting him into a white van marked "police", surrounded by armed ...