Poet Richard Cadogan is having a bit of a mid-life crisis, and decides that the best remedy is a trip to Oxford, where he studied at University. He gets the adventure he seeks and more after finding a dead body in an abandoned toyshop and being knocked out. On waking up to find the body missing, he then manages to lose the toyshop as well. Luckily, he knows who to turn to in a bizzare criminal situation: Gervase Fen, the eccentric Oxford don whose…