The 8th precinct is distraught when one of their detectives from the anti-crime unit is found murdered. Carl Desmond was shot in the head and his body was thrown in a dumpster. His colleagues and grieving widow, Mary Beth suspects that his murder was an act of revenge by someone he had previously put away. Karen is put in charge of the case, as she and the rest of the detectives must tread carefully in the investigation into the murder of one of their own.

When Mary Beth's past infidelities come to light, Tom and Marty investigate a married man named Don Bellamy whom she was having an affair with. While going in a different direction, Karen and Jim put their reputation on line with other cops at their squad when their main suspect is Carl's partner, Eric who had put in a request for a transfer a week before the murder. In the midst of the investigation, a frustrated Jim confronts Marty who is purposely making things difficult for him by rearranging the squad so that he would walk

The pivotal moment where his former partner failed to step up and take out the bank robber continues to haunt Jim as he is forced to relive losing his eyesight in a recurring nightmare. Jim struggles to move on with his life, but a joint investigation with the 77th precinct pairs him and his current colleagues with Terry Jansen and another detective as they investigate the murder of two gang members. When they head to the home of Titus Oliver, a possible suspect with a previous criminal record for an interview, he attempts to escape by running up to the roof of his apartment.

Terry goes after the suspect alone, and ends up being shot in the shoulder. He tells the other detectives that Titus had fired at him and then he shot back with his 9mm gun. Titus had dropped his weapon as he escaped. The recovered weapon is sent off for testing. Jim is troubled by this story because it conflicts with what he heard. He heard Terry fire the 9mm first and then the shot from Titus' gun. Tit

Two women are brutally raped and their faces have been branded with a deep jagged cut by their attacker. The detectives interview a white supremacist in prison named Leonard Mattis who might be connected somehow with the attacks due to him being related to the victims through blood and marriage. He denies any involvement. They don't believe him as Mattis' wide range of power and connections in and out of prison is a major factor in these assaults.

Meanwhile, Jim's patience begins to wear thin as his growing agitation over Marty's actions against him becomes more apparent to the other detectives at the precinct. Also, the fear of no longer being someone who is adequate enough to be there for and protect his wife and partner begins to take hold, as the investigation potentially endangers Karen and causes Jim to sporadically visualize Christie as a victim.

Jim's doubts and fears begin to weigh heavily on him after a serial murderer just claimed his fourth victim bumps into him while he was on his way to work and escapes. He believes that if he still had his sight, then he would have been able to apprehend the suspect. This belief is reinforced by Marty's snide comments and the Chief of detectives reprimanding Jim for pulling out his weapon in public.

The façade of being in control and everything is all right begins to fall apart as Jim struggles to come to terms with the fact that he is no longer the same person that he was a year ago. Meanwhile, Lt. Fisk attempts to intercede between Marty and Jim as the animosity between the two escalates to an all new level.

After a recommendation from Dr. Galloway to temporarily put aside the problems in their marriage before going to couple's counseling, Christie and Jim set out on a quest to search for a fun and comforting activity to do that will bring them closer together.

Artie Steckle, the man who found Hank asks Jim to talk to his nephew, Pete who has given up on living his life to the fullest after gradually becoming blind due to a disease. Jim attempts to show Pete who wants no help and only to be left alone that there are options out there where he can learn to cope and live a normal life with his blindness.

Meanwhile, an elderly woman is found dead in her bedroom after it was consumed by an arson set fire. The main suspect is the landlord who is also a firefighter, which creates friction as it stirs up old feelings in a conflict of cops vs. firefighters when he accuses Marty of being bias towards him in this investigation due to his profession.