In England, a young American falls in love with the sister of a sadistic and lecherous motorcycle gang leader who despises the American. The couple takes refuge from the gang leader''s harassment in a cave where they discover a group of children who are the result of an experiment by a scientist seeking to develop a race of humans capable of surviving an atomic blast.
These Are The Damned stars Alexander Knox, Macdonald Carey, Shirley Anne Field, Oliver Reed, and Walter Gotell.