 At about the same time, the two doctors, Morgan Chambers (George Lynn) and Emery Forrest (S. John Launer), discuss the man they'd treated after his car crash.They had injected him with "irradiated wolf serum", which they had never before used on humans.The doctors believe that the serum, when perfected, will allow "a select minority of people" — chosen by them — to survive the unavoidable nuclear holocaust that's coming.