Everyone in East Harlem knew Jason Adams. When his body is found stabbed, the terrified community has one question: who could possibly have wanted him dead? Detectives are stumped until a tip from an unexpected source points them toward the killer.

A mass shooting in Chelsea leaves one dead and three injured. The detective discovers this is the latest in an series of murders spanning multiple precincts. Investigators find themselves plunged into the underground world of New York's bouncers.