A month-and-a-half after his confrontation with Bobby Cole, Chase McDonald returns to the force. But the joyous reunion is interrupted when Internal Affairs comes down hard on his actions during the Cole/Nicole Stockman incidents. His loose cannon methods used during the tribulation were uncalled for, and the division is more than willing to take away his career. Meanwhile, the drug cartel behind the leadership of Bobby Cole did not die with him. The cartel is now under new management, headed by Cole's most trusted and elusive associate, former DEA agent Frank Geiger.

After the ordeal with the organized fight-to-the-death matches, El Toro Prison has come under the watchfull eye of it's new warden. However, one of the inmates, Robert "The Falcon" Hatcher, an incarcerated biker and a one-time cop, still harbors a dark, sinister rage. He has vowed revenge on the detective that turned him in, his former partner, August Brooks. After a daring escape with two other prisoners, Hatcher launches a vicious campaign of blood and terror to kill Brooks and his partner, Chase McDonald, one way or the other.

It's the middle of the night, and Captain Jensen receives shocking news. One of his detectives, deep undercover in the high ranks of Vincent Thornhill's criminal gang, has been exposed, and his life hangs in the balance. In order to save his officer, the police captain has twenty-four hours to hand over all incriminating evidence on Thornhill or his man will be executed. Feeling responsible, Jensen takes things into his own hand in an effort to save his detective's life and put Thornhill down for good.

An elusive, sadistic serial killer, nicknaming himself "The Prophet," is on the hunt. His victims: Catholic priests. Chase and August are on the case, only to discover that these killings aren't random. The detectives fear that they have an avenging angel on their hands, one that preys on holy men plagued with shady agendas.