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.

Sarah hunts down Rosie's backpack as Holder falls from grace. Mitch re-emerges while Stan continues to entangle himself with the mob. Richmond faces up to his situation.

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 hugger 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.

While Richmond tries to aid the investigation, Sarah goes looking for Rosie's key. Stan comes to realize that Alexi is in trouble. Mitch arrives at her destination.

Sarah's in a precarious position. Holder investigates to see if there is a connection between Rosie's cuddle and the Mayor's water front project. Stan tries to make amends. Richmond gets a boost in the polls.

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 hugger 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.