There's a cop killer on the streets of Chicago and the murders are piling up. It's the same killer who shot Police Captain Liam Donnelly and, worst of all, Agent Donnelly isn't allowed to investigate and help catch the killer, which leads to more murders and a bigger conspiracy. Instead, Agent Donnelly and Agent Main are called upon to investigate the disappearance of a U.S. Congressman. On the surface, their latest assignment seems like a routine missing person's case, but they start to find that there may be a connection with their case and the cop killer that no one can bring to...