Frank launches an investigation after the Reagan family is harassed when protests against a controversial NYPD unit escalate. Also, Danny and Baez form an unlikely partnership with an informant in order to prevent a murder; Eddie lands in hot water after she defies a direct order; and conflict arises between Erin and the Dream Team when the D.A.’s office strikes a deal with Baker’s assailant.

The second of two special episodes looking back at the 17-year history of the show as it comes to an end, featuring some of its funniest moments from recent years.