In season two of AMC's chilling and addictive crime series The Killing, the investigation into Rosie Larsen's murder continues. Homicide detective Sarah Linden thought the case was closed. Then, one phone call changed everything. The prime suspect, councilman Darren Richmond, may be innocent; her partner, detective Holder, may be corrupt; and for the grief-stricken Larsen family there may be worse revelations yet to come. The hunt for Rosie's killer isn't over.
In the aftermath of the shooting at City Hall and Linden's discovery that the photo leading to Councilman Darren Richmond's arrest was forged, Sarah returns to Seattle to investigate a possible cover up and wonders if she can trust her partner.
An ominous discovery is made at the Larsen house while Sarah travels to Tacoma to learn Councilman Richmond's dark secret. Meanwhile, Richmond is forced to come to grips with the fallout from the attack at City Hall.
Holder falls from grace while Sarah tracks down Rosie's backpack. Richmond confronts the truth about his situation and Stan gets in deeper with the mob while Mitch resurfaces.
Sarah and Holder identify the mystery man with the tattoo while Jamie attempts to enlist Gwen's help and Stan learns his past may have come back to haunt him.
Sarah gets a mysterious message from Rosie Larsen that may identify the killer while Mitch befriends a runaway girl and Richmond questions his political future.
Sarah focuses in on a Larsen family secret, Stan faces his past sins, Mitch shelters a runaway girl, and Richmond has a surprise visitor.
The investigation returns to the casino. Tension erupts at the Larsen house. Stan meets Richmond face to face for the first time to make an uneasy alliance.
When Holder goes missing, Linden is desperate to find him. Stan takes matters into his own hands. Richmond returns to City Hall.
Richmond attempts to help the investigation. Sarah tracks down Rosie's key. Stan realizes his son is in trouble. Mitch reaches her destination.
Sarah teeters on the edge. Stan attempts to make amends. Richmond receives an unexpected boost in the mayoral race.
After returning to the casino, Sarah and Holder find themselves on the run. Stan and Richmond must make life-altering decisions that will decide their fates.
Linden and Holder have the killer within reach. The Richmond campaign prepares for Election Day. The Larsen family attempts to regain a sense of normalcy.
Sarah and Holder close the case. Richmond sets out on a bold new path. The Larsen family gains closure from an unsuspected source.