Michael McStay

While Tara is on leave, Steed takes on a temporary new partner, the aristocratic Lady Diana Forbes-Blakeney. Together they confront REMAK: the Remote Electro Matic Agent Killer - a computerized assassin.

The Krynoid is on the loose in the arctic. Scorby and Keeler have been sent to steal the alien pod and are willing to resort to murder to cover their tracks.