Lenny confidently dismisses a grief-stricken Martina as she threatens to avenge her brother's death, but is he underestimating the power of her wrath? Patrick is chuffed to hear that Drew is doing well at the garage with Bob, but when Drew crosses a line Patrick is forced to reach out to Caitlin to help the boy. Meanwhile, Eileen's answer to her moral dilemma with Harry springs from a surprising source, and Bob decides it's time to find a new companion for Angus.