Start Digging
The team investigates the gruesome murder of a girl. They learn from her friends she was nervous but they don't know why. They learn she worked at a law firm, so they go there and learn they think she may have been passing information on clients who were awarded large settlements because some of them were robbed. They later check her phone and learn she was calling Voight's son. They try to find him and when they do he's been shot. So they wonder what was going between them. Voight learns his son saw one of his friends and asked him for money and saw him argue with a guy whom they track down. They learn he's part of the crew behind the robberies and the girl was feeding them info. The girl wanted out and Voight's son tried to help her. They set out to find the leader who killed both the girl and Voight's son. And Voight is willing to do whatever he has to. At the same time the brass wants Voight to step down. because his methods are causing them problems.
