Harley Quinn joins forces with a singer, an assassin and a police detective to help a young girl who had a hit placed on her after she stole a rare diamond from a crime lord.
By 2017, the global economy has collapsed and U.S. society has become a totalitarian police state, censoring all cultural activity. The government pacifies the populace by broadcasting a number of game shows in which convicted criminals fight for their lives, including the gladiator-style The Running Man, hosted by the ruthless Damon Killian, where “runners” attempt to evade “stalkers” and certain death for a chance to be pardoned and set free.