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; Eddie's partner considers leaving the force.
Elizabeth must act quick after she learns that someone with ties to the Saudi government funded a terrorist bombing.
When one of Voight's friends is found passed out in his hotel room with a dead Ukrainian girl, Intelligence discover the murder is connected to a sting and Burgess' boyfriend.
Sherlock is forced to work with his estranged brother, Mycroft, in order to solve a case that has life-or-death consequences.
Lieutenant Jessica Hart is murdered on a trip to New York to promote a new shuttle launch, and an affair gives rise to multiple suspects.