In light of a revelation about the night of Jim's attack, Riya loses faith in her entire investigation. Until a bittersweet farewell unlocks one final piece of evidence. The Best Kept Village judges arrive in Chadder Vale to find a town in crisis. An old acquaintance has a terrifying message for Derek, putting the factory in dire straits. Jakub faces the terrible consequences of a past mistake. Ali and Nish follow the bread crumbs to find answers.