Starring: Mark Gregory, Fred Williamson, Vic Morrow

In the year 1990, the Bronx is officially declared No Man’s Land. The authorities give up all attempts to restore law and order. From then on the area is ruled by the Riders.

Attacked by a roller skating gang called The Zombies, Ann, a 17-year-old runaway and the heiress to the arms manufacturing giant The Manhattan Corporation, is saved by members of The Riders, and taken under the protection of The Riders’ leader, Trash. The Manhattan Corporation hires a ruthless and psychopathic mercenary named Hammer, who turns the various Bronx gangs against each other to ensure Ann is returned.