A series of strangulations leads the team to look for a killer who keeps mementos of his victims; Rossi's favorite bar is in danger of closing.
The head of the Russian mob wants to find out what happened to Belikov; Sonia and her daughter take refuge at the Donovan's; Avi and Lena question Ray's loyalty to Sonia; Mickey returns to Primm to search for stolen money and Sylvie.
Ray helps Hector handle someone; Bunchy learns a lesson about marital compromise; Terry has a renewed sense of purpose; Detective Muncie uses evidence against the Donovans.
Facing a crisis, Ray and the team devise strategies about leverage; Hector's wife plans to move, and he reaches a breaking point.
Sonia gives incriminating evidence to Agent Barnes; Ray tries to play the Russian mob against the FBI; Mickey tries to cash in on a big fight.
