When a wealthy older woman is found dead in her apartment, Briscoe and Logan determine she was the victim of a lovers quarrel with her younger boyfriend.
When a mail bomb kills the wife of a physicist, evidence links the bombing to a rival who was betrayed and ruined by the victim's husband.
A young stockbroker who uncovers some office scandal is shot dead.
Stone prosecutes a man who employed extreme methods to find a desperately needed kidney for his daughter's transplant.
As Briscoe and Curtis frantically try and obtain some information from a wounded robbery victim, they stumble across the ruthless murder of a young girl.