When his boss hands him a "simple" assignment, U.S. Marshal Custis Long just knows it's going to get complicated quick. He heads to Tascosa, Texas, where Bronson Tull of the notorious Tull family is on trial for murder. The judge in charge has been getting death threats, and Longarm has to get him to the courthouse alive. But Longarm soon realizes that there's more to the threats than anyone knowsand that he'll have to be light on his feet as well as fast with his guns if he's going to get to the bottom of it