Valerie is floored by everyone's reaction to her healthy-eating regime, and Jimmi has a knock-out lunch with Erin. Zara pulls no punches with a young boxer who feels her medical condition has left her on the ropes.

Heston shadows on an FME shift and witnesses the full horror of Viper for himself, and Emma gets a shock when her first home B&B guests reveal their unusual lifestyle. Karen gets an invitation from a lonely elderly neighbour, but will she be too late to the party?