The supposed suicide of a senator's son ends up being a homicide.

The team help to investigate an serial arsonist.

Backstrom and his team are called in when a member of Portland's LGBT community is killed.

Backstrom and his team are called in when a teenage girl are abducted by an online predator.

A murder leads Backstrom and his team to an illegal gambling ring.

Backstrom and his team must work with his estranged father in order to catch a suspected eco-terrorist.

Backstrom and the S.C.U. investigate a hit-and-run that leaves a wealthy woman dead.

A key witness in a drug investigation is found dead after escaping from his court-mandated rehab program, and Backstrom must figure out how he escaped and who killed him. However, when the S.C.U. learns that the victim is member of a band and all his bandmates dislike him, they start to believe that the killer may be someone closer than they expected. Meanwhile, Backstrom has reason to believe that Valentine may be more than just his tenant.

When a young female sex surrogate is found dead in Portland's Rose Garden, the S.C.U. investigates what could be a crime of lust, rage, passion or possibly even love. Meanwhile, Backstrom receives very upsetting news about his mother.

Backstrom and the S.C.U. are plunged into the zany, provocative world of a performance art festival when one of the participating artists is found dead. Their investigation turns up a slew of potential killers, all of whom are creative types involved in the festival. In the process of solving the murder, Backstrom reveals a surprising appreciation for visual artwork, and a moment of passion between him and a fiery suspect turns into its own piece of performance art.

Sarah Chalke (“Scrubs”) Guest-Stars Backstrom comes home to find Dante Trippi, Valentine’s abuser, murdered on his doorstep. Worried that Valentine could be next, the S.C.U.’s investigation leads Backstrom to a ring of counterfeit wine smugglers, a corrupt river patrol cop and a Club of Portland government official. Meanwhile, Valentine’s inability to tell the truth makes it harder for the team to catch the killer and Amy (guest star Sarah Chalke) has a new boyfriend, of whom Backstrom is not fond.

When a Native American is found dead under a bridge on the Wabacooche Indian reservation, Amy’s new boyfriend and Indian Reserve Police Captain, Jesse Rocha, wants in on the case. Backstrom then learns that Indian meth-king Norwest, of Cooch County, is a suspect in the case, and he is convinced his father, Cooch County Sheriff Blue Backstrom, knows about Norwest’s drug dealings, leaving Backstrom to make a difficult decision. Meanwhile, in order to keep his job with the S.C.U., Backstrom must impress Dr. Deb.