With tension building in the streets of Harlem thanks to ruthless club owner Cottonmouth, Luke finds it increasingly difficult to live a quiet life.

Luke is pulled deeper into the fight for his neighborhood when, as a favor to an old friend, he tries to help a kid who's in trouble with Cottonmouth.

Luke gets closer to the truth about Reva and her part in his fate, while Mariah wrestles with the morality of her new role. Misty hunts for Luke.

With all of Harlem bearing witness, Luke takes on the fight of his life in hopes of emerging as the defender his city needs.

As a wave of violence rocks Harlem, everyone races to connect the dots between Piranha, Mariah, Bushmaster and the grisly find at the clinic.

Luke teams up with an unlikely ally to combat a new strain of heroin. As Shades plows ahead with his plan, a massive party draws everyone to the club.