When an undercover cop, who's the son of an old friend of McClain's, is killed by a drug dealer he was working on. McClain tries to get the man but because of a legal technicality, the man is released. So McClain turns to a female informant known as a black Widow to try and get the man.
There's a rapist at large. McClain and Gates respond to the latest attack. While there McClain encounters a man who is running away so he chases him and knocks him out. Later a TV reporter is covering his arrest and the man cries out that McClain was brutal towards him and she backs him. McClain thinks he's the rapist but has no proof.
While investigating a man's death. Evidence leads McClain to a family who are friends of his. It seems that the man was having an affair with the daughter. And the family is extremely proud. And the father and son don't have an alibi. McClain doesn't think they're guilty but the Captain decides to turn it to the D.A.