Blue Bloods: Season 12, Episode 4

12 - 4: True Blue

Jamie faces backlash from fellow officers, when he partners with Erin and Anthony to investigate an underground bar the NYPD and FDNY use to hide their criminal indiscretions. Also, Eddie's partner, Witten, considers leaving the force; Danny and Baez investigate a student's murder at a prestigious private school; and Frank addresses an issue of police brutality regarding Baker's husband.