The NYPD demonstrates a robbery on a close circuit television, and get bushwhacked by a group of Old West desperados invading the concrete canyons of New York City.
Marshal McCloud investigates a robbery in a downtown apartment building and stumbles across a body, which then disappears. the case leads up to a madame kingpin of an escort service who's girls are being murdered by a serial killer.
On a police convention in Hawaii, Clifford finds himself framed for murder and McCloud is the only one who can clear him.
McCloud travels to Colorado and lends a hand in helping the local law stop a gang of cattle rustlers.
During a heatwave, Chief Clifford is called away and leaves SGT. Joe Broadhurst in charge. A sports betting ring that scores with "inside injuries" looses the black book and eliminates witnesses searching for it, Leading to an assault on the precinct house.