When a tramp is found dead in a local river, Mickey goes undercover as a homeless man.

Mickey is rescued from a beating by Nicola McKenzie, a homeless girl after he spends a night on the streets. Max and Banksy find out more about Greg and discover that he is Greg Simm, a fraudster who has been scaring the homeless. Greg is a suspect after an elderly man is found dead but the evidence begins to point in Nicola's direction. Mickey learns that he has to bring Nicola in for questioning which leaves him conflicted.