In the future, a health nut and his tag-along girlfriend become trapped in a drive-in theater that has become a concentration camp for outcast youths.
In the distant future, the human race nears extinction and a new race of beast-like creatures rule the earth. The few surviving people live in the City, a huge protected construction with the ability to travel in both space and time. The City travels back to our time to save humanity...
Harry Wingate, a rugged adventurer, is hired by a gem collector to retrieve a priceless opal, known as "The Blue Lightning," from Lester McInally, a super-criminal with an army of killers operating in the Australian outback.
