

It's Rag Week in Gasforth, and Fowler and his men are frequently disturbed by teenagers in scary masks – that is until a bank robbery by three men in rag masks occurs while Dawkins is there, leaving it uncertain whether or not the robbery is genuine.
It is the tenth anniversary of Fowler and Dawkins' relationship, but Fowler manages to forget, being instead more concerned with the Queen's Official Birthday.
Habib falls for a fireman named Gary, much to Goody's jealousy, while Fowler finds himself pestered frequently by a man who claims to have committed impossible, solved or extremely historical crimes, much to DI Grim's amusement, until a terrorist begins making threats that cause Special Branch to become involved.