Boorland Day (S01E02)

A notorious crime family keeps the detectives busy as they race around the city, but Walsh and Shraeger eventually uncover the family's motivations and manage to broker a ceasefire on the criminal activities. Meanwhile, Brown tasks Shraeger with digging into Walsh's history after learning her previous partner was corrupt. On another front, Cole's past resurfaces when an old partner in crime reappears, complicating his efforts to leave his criminal history behind.