Lenny's deteriorating health puts things into perspective for Shieldinch's most hated man, but is it enough to reveal who was behind the festival explosion? The McLeans celebrate Drew's birthday, oblivious to his dark secret, while Annie and AJ are reminded of their past and why they came to Shieldinch in the first place. Meanwhile, Molly and Liz go head to head, Apprentice-style, for a position at the charity shop.