Two employees of the millionaire Harrison Chase arrive at the Antarctic base, and they will stop at nothing to get hold of the second seed-pod.
Quest roles:
John Gleeson(Charles Winlett), Tony Beckley(Harrison Chase), John Challis(Scorby), Hubert Rees(John Stevenson), Michael McStay(Derek Moberley), Kenneth Gilbert(Richard Dunbar), Mark Jones(Arnold Keeler)