The victim in this case hits Maura close to home when she discovers that the murder victim is her biological half brother. We learn that she was adopted and never found out who her real parents were. The intensity increases when they discover that her father is a Irish mob enforcer and he has killed many people. They killed the son to draw him out. He kidnaps her to protect her but she wants no part of it. She questions him about her mother but he refuses to answer. He tells her to tell him who killed his son to make an example out of that person. At the end of the episode, the person who killed the son is murdered.