 Mark J. Sheridan was in New York working for his agency to try to find out what the Chinese intelligence is planning. But, out of defending himself, he killed 2 Agents trying to find a mole in the agency. So, he flees to escape from his agency who suspects him of cold blood murder and espionage. While suffering a car accident in Chicago, Sheridan was arrested and escorted on a prison transport via airplane. Sheridan s plane crashes along the way to prison. When, police do not find Sheridan after the crash. They call upon Chicago s famed U.S. Marshal Samuel Gerard and his team of other Marshals to find and catch him. But, they will soon realize that they will be a part of the mole hunt and Sheridan s own investigation.