While covering up Skinner's disappearance, Linden and Holder investigate the brutal murder of a family with ties to a military academy.
Questioning a neighbor leads to a revelation about one of the victims; Reddick begins to investigate the disappearance of Lt. Skinner.
Reddick digs deeper into Skinner's disappearance; Linden and Holder try to keep their crime a secret and their investigation from going cold.
Linden and Holder focus their investigation on a student with a sordid past; a tip from an informant leads Reddick to a shocking discovery.
Information about the family murders surfaces as Kyle's memory starts to come back; Holder's loyalty is tested when confronted about Skinner's death.
Sarah makes a grim discovery in regards to her past; Holder catches an unsettling case; Seward shows his true colors.
Sarah has her own reasons to join the task force; Holder finds a new street informant; Seward strokes an old rivalry.
The task force shuts down a business; Sarah and Holder unite in their pursuit of "the voice"; Seward is offered motivation to comply with orders.
Bullet races to find a victim on the run before someone else does; Seward is discourteous to surprise visitors.
Sarah and holder catch up to the latest victim; Seward faces his past; Bullet struggles with the truth while in the jungle.
Holder and Sarah get a break in the case; Seward clashes with death; Bullet becomes a protector.
Sarah goes missing; Bullet makes a choice to save Lyric; a dark secret is learned.
The hunt for a pornographer leads to a shocking revelation; Holder looks for a scapegoat; Twitch and Lyric find their dream home.
Sarah seeks peace; the detectives pick up a new case; Sarah risks her life when a loved one goes missing.
After Councilman Richmond get shot, Sarah investigates a possible cover up and loyalties are questioned.
Sarah goes to Tacoma to learn Councilman Richmond's dark secret.
Holder falls from grace; Sarah tracks down Rosie's backpack; Richmond confronts the truth; Stan gets in deeper with the mob; Mitch resurfaces.
Sarah and Holder identify the mystery man; Jamie tries to get Gwen's help; Stan learns his past may have come back to haunt him.
Sarah gets a mysterious message; Mitch befriends a runaway girl; Richmond questions his political future.
Sarah looks into the Larsen family secret ; Stan confronts his past; Mitch shelters a runaway girl.
The investigation goes back to the casino; tension erupts at the Larsen house; Stan meets Richmond face to face.
Sarah tries to find Holder; Stan takes matters into his own hands; Richmond returns to City Hall.
Richmond helps the investigation; Sarah looks for Rosie's key; Stan's son is in trouble; Mitch gets to her destination.
Sarah moves unsteadily; Stan tries to make amends; Richmond gets a boost in the mayoral race.
Sarah and Holder go on the run; Stan and Richmond face life-altering decisions.
Sarah and Holder close the case; Richmond sets out on a new path; the Larsen family gets closure.
On her last day of work, homicide detective Sarah Linden is drawn into a new case; City Councilman Darren Richmond prepares for an important forum with the mayor.
Sarah and Holder investigate at the school to figure out where Rosie went; Richmond tries to control the political fallout.
City Councilman Richmond suspects a leak within his team; Sarah and Holder track down a potential witness; Mitch shuts down.
Sarah and Holder pressure Rosie's former boyfriend; Stan and Mitch plan their daughter's funeral; Richmond hopes to raise funds for his campaign.
Rosie's teacher provides a new piece of evidence; Richmond's team plans an anti-crime TV commercial; Stan asks his colleague for help to find Rosie's killer.
Sarah and Holder question a suspect's family and neighbors; Richmond and his team prepare for a debate with the mayor; Rosie's funeral takes place.
Police learn more about Rosie's whereabouts the night of her death; Richmond deals with a negative ad; Mitch starts doubting the police investigation.
Sarah and Holder uncover evidence; Mitch endangers the boys; Richmond tries to get back in the race.
The police regroup; Richmond advances in the polls; Mitch is left to keep the family afloat, while Stan faces his consequences.
Sarah and Holder set out on a search for Jack.
The police connect Rosie to a suspicious website; the waterfront project stalls; Stan faces his demons; Mitch learns secrets she never knew about Rosie.
The police connect evidence to the campaign car and Rosie; Stan and Mitch reflect on the past and future.