The mauling to death of several members of the committee of PURRR (the Philanthropic Union for the Rescue, Relief and Recuperation of Cats) exposes Steed and Emma to a diabolical scheme to take over the entire country.

An unfortunate motorist keeps knocking down and killing the same man: a man who's rampaging through the countryside, bulletproof and intent on destruction. A man who just happens to be identical to the urbane Professor Frank N. Stone.

Steed is invited to a party, and finds himself trapped in a remote-controlled aircraft, with six fancy-dressed specialists in various combat styles, en route to a distant island. There, they are pitted against each other in a deadly test.

Secrets known only to a small group of trusted men have leaked, and the men are having strange dreams of their childhood, featuring their nannies and a bouncing ball. Emma checks out the toyshop, Steed explores a school for nannies.

When one of the Floral Network of agents is found dead atop a pair of stilts, Steed and Emma's interest is piqued. That's the idea, because foreign agents Basil and Lola have a trap prepared for them: a machine that swaps their minds into the pair's bodies.

The brother of the late Clement Armstrong sets a deadly trap for Steed and Mrs. Peel, whom he blames for his brother's death at the hands of his murderous creations, the Cybernauts.

A European peace conference comes under the threat of sabotage when the British delegates begin to suffer from premonitions and nightmares. After Sir Andrew Boyd, who has witnessd his death in a dream, is killed, Steed and Emma must keep his replacement, Lord Melford, sane and alive.

The accidental death of a ventriloquist reveals that he had been carrying a fortune in gems inside his stomach. Steed stoops to blackmail and Emma goes shopping for ties in the search through the business community for a rich Borzoi.

A missing briefcase full of secrets propels Steed and Emma into a treasure hunt by car.

When a scientist is found embedded in a wall, Steed and Emma pursue a man in make-up and wellies, whose appearance is terribly shocking.