T-Man Charles Carr depends heavily on informants in his pursuit of pushers, passers and makers of counterfeit "paper." Informants are as much a part of the seamy, violent L.A. underworld as are the crooks they inform on, and they are crucial to Carr's effort to track down Paul LaMonica, a smooth thug whose skill at manufacturing paper is matched by his murderous amorality, from L.A. to Mexico.