A gangster was killed. Now Terwilliger believes that it was a burglar who did but Hunter finds a few loose ends. Now the eldest son, Nick, who is a carouser fears what will happen if the girl whom he came home with the night his father was killed is found. Hunter and McCall eventually learn about her and find her she tells them that when they arrived at the house his father was upset with him and a fight broke out and then she heard the shot then the alarm. Which leads them to think that maybe Nick was the one who killed his father. However, the captain doesn't think that she's a credible witness, because she was drunk and was going to go bed with him. When she calls Nick demanding some hush money they agree to meet when Nick arrives someone shoots him and Hunter finds that he was going to pay her. Hunter then realizes that it was the other son, Billy who did it. He finds the girl with at the hospital and holds her hostage when Hunter arrives and manages to shoot him.