Jockeys and stable hands are being trained in the use of firearms and poisons, so Steed delves deep in the murky world of horse racing.

When an agent is killed in the lift of Pinter's Department store, Steed and Emma get involved with King Kane, a tycoon who lives in a penthouse above the store. Why is Professor Popple, a missing atomic scientist, being held in the bargain basement?

Tara visits Steed in a special hospital following an injury to his leg. This is just the backdrop needed by Gerald Kafka, ex-head of Murder International, as he plans his revenge against Steed, who sent him to prison exactly seven years ago. At noon, Steed will die.