Class Action Satisfaction

While Angela is serving a customer he begins coughing up blood and dies in the coffee shop. The morning after Lydia dropped the baby off Jane, Maura, and Tommy are taking shifts on watching him; Maura takes a sample from Tommy and the baby for a paternity test. Lydia returns with her mother and takes the baby back; When they get the tox-screen back they find that the victim was poisoned with rat poisoning. When Korsak and Frost go to investigate how the victim had Korsak's name in his wallet, they find that Korsak's first ex-wife is one who gave it to him. After a new body comes in, Maura discovers troubling news and announces a code red; Maura, Jane, and a new intern are to remove their clothes, and shower to make sure they aren't in any danger and are all placed in quarantine. When Korsak talks to his ex-wife, she confesses that the victim had come to AA and said he was ready for justice to be served, for something he did to a little boy. Frost finds that years ago the victim was involved in a hit-and-run that paralyzed a little boy; When Tommy calls a family meeting, Tommy says that Lydia doesn't want to share the baby, and Angela says she wants to fight for the baby. Tommy finds that he is the father; Jane and Frost try to find the woman that poisoned their victim. At the woman's house Frost, Korsak and Jane find that the woman committed suicide by parking her car in the garage and leaving it on. Jane, Korsak, and Frost then find that the lawyer they met is one that set everything up. Angela then sets up a dinner between Lydia, her mother, and the Rizzoli's in hopes of starting new with the families.