Granville has some outdated Christmas puddings to sell but needs a clever plan to lure his sceptical customers into buying them. Madge is convinced that her house is haunted and is refusing to sleep in her bedroom, but luckily Granville discovers Gastric has a hidden dark side with spiritual powers that could solve the mystery and impress Madge. Meanwhile, Mrs Hussein takes a shine to Leroy and wants to know what they keep behind the counter for special customers.