The warning of a dying man tips Steed off that ecologist Rydercroft is to be killed at noon. All plans are taken to protect the man's aircraft but it still crashes. Soon the Avengers come up against a new breed of enemy.
Quest roles:
Peter Copley(Prof. Waterlow), Vladek Sheybal(Zarcardi), Hugh Walters(Lewington), Basil Dignam(Hugh Rydercroft), Kevin Stoney(Tomkins)