Zane insists that Beatrice is ""gone for good"" and wants Mike to drop the idea of arresting her for arson. Mike's brother, Steve, gives Elizabeth a pep talk about life as a cop's wife, and plans to throw an engagement party for the couple. On a robbery call with Ulrich and Newell, Mike witnesses Ulrich using excessive force on a suspect. The suspect turns out to be Mike's former partner, Chris Livingston, now a narcotics detective on an undercover job. Mike's earlier doubts about Ulrich's role in Jamal Jones' death are heightened when Ulrich asks him to find out if Livingston is taking the incident to internal affairs. Zane has dinner with his Nana and re-opens his investigation into his father's murder conviction. In prison, Zane's father tells him to leave the case alone. Beatrice shows up at Mike and Elizabeth's place looking for her camera. A man shoots his 5-year old son because he's ""defective"". Zane steps in when Officer Ryan seems tempted to comply with the man's request that sh
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