Brian struggles to hide his scepticism when first aid training gets under way, while security guard Ian is outfoxed by an unwelcome visitor to the store.

Rose and Margaret receive a blast from the past when they realise they know each other from a former life. A special guest stops by the store, too.

Management fear an uprising when canteen prices are hiked up. Elsewhere in the store, the simmering feud between Rose and Lisa boils over.