Lenny seems slightly unhinged as he returns to Shieldinch to take his revenge on the Kennedys. Kamikaze-style, he throws down the gauntlet to Martina and Billy. It's the end game - who will survive? Kelly-Marie doesn't know if she can trust Alex, but could she handle being responsible for his death? Stella's upcoming mastectomy operation presents an unexpected challenge to Stevie, and Patrick fears that Drew is being drawn to the dark side.