A deadly and charismatic criminal, Killian, is released from jail. He went into the slammer before RoboCop hit the streets. Now he wants to take out the biggest cop in the city. When OCP wants to take guns off the street, Killian sees it as his opportunity to take on the former Alex Murphy!
Killian has brought fear back to Detroit. Its people are are mobbing the city to reclaim their guns. RoboCop and Lewis are caught in the middle and everyone has them in their targets! As Killian's secret plan goes into full effect, Lewis and RoboCop must find a way to uphold a gun law that has brought the city to its knees.