In the near future, street gangs have their own city zones where cops can't go. Two tough cops are sent undercover in one of them to investigate an illegal cure for AIDS. But they must first fight in a deathmatch, and the match is fixed.
Starting out in 1981 with a movie that contains maybe one "heavy metal" song. Granted, as Murray points out in the episode, heavy metal was in its infancy at this time.