When the ex-wife of William 'Woody' McKenzie, the prosecutor who helped clear Jack from the Hopkins murder charges, is found dead in her Manhattan apartment, Woody becomes the main suspect. Looking for help he calls Donovan to help him. Although Donovan wants to believe in McKenzie's innocence, mounting circumstantial evidence surfaces that he may have hired a hit man to do the deed for him. Meanwhile, Terry gets deeper into his undercover role with the illegal actives with the Irish mob when he learns that Patty Flannigan along with Bobby, and Joe are setting up a deal with some street rappers to buy automatic weapons for a bank robbery. But Terry's problems multiply when he soon clashes with the leader, Joe, who holds a grudge against Terry's brother, Jimmy, who arrested him years before. Jimmy, worried about Terry, asks a street informant, named Darius, to keep an eye on Terry. Elsewhere, Kersey's guilt over beating and killing Hopkins and getting away with it continues to haunt ...