Marcellus gets a new partner, Aldo Rossi, and Mike has trouble adjusting to the change; after initially resisting Heather’s suggestion that he reconcile with his father on his upcoming birthday,…

Detectives Kevin Bernard (Anthony Anderson) and Cyrus Lupo (Jeremy Sisto) investigate the case of Oswaldo Morales (guest star Hector Javier Munoz), an illegal immigrant found unconscious but still alive on…