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!
The final battle for Detroit rages on the steps of OCP headquarters. Death on all sides grows in numbers every second. With Killian making his way to the Old Man, Lewis and RoboCop must come together one last time to see this war to its end.