The Chen family appear to be victims of racial harassment when their Chinese takeaway is set fire to but widowed Mr. Chen will not go to the police so his daughter Mei asks Henry for help, It turns out that Chen is a gambler deeply in debt to a restauranteur in London's Chinatown who has been has been threatening him for the money he owes. When Pie in the Sky makes it to the final of the Great British Grub contest being held in London, Henry uses the trip to visit Chinatown and act as go-between. A winner and a loser return to Middleton come the end of the day. (thetvdb.com)