George Little

Terry is engaged to act as minder for the fashion collection of buyer Ronald Shyver, guarding his warehouse overnight. But as he has another appointment, Arthur agrees to take his place. The next morning, the entire collection has disappeared.

Steed heads to a small jazz club where Venus Smith sings after being ordered to infiltrate a gang of assassins.

A government official is killed at a holiday camp and replaced by a doppelgänger in a plan to extract confidential secrets. But there are more doppelgängers around.