When Detective Seth Harding responds to shots being fired, he faces a familiar sight: a double homicide. However, he is shocked to find a young boy chained in the basement. The terrified child refuses to speak, but Seth knows he is the key to something sinister. Reluctantly, Seth calls the only social worker he trusts with the traumatized boy - his wife. Carly is recovering from her own trauma suffered on the job, but she can't turn away from this case, not from another child in trouble.

Stevie Taylor had left her sleepy Oregon hometown for a more exciting life. But after her police chief father passes away, the LAPD cop returns to Solitude and signs on as a patrol officer, hoping to heal from her loss... and from the horrific things she's seen in the city. In Solitude, everyone knows everyone else's business - and, to Stevie's dismay, local gossip soon ties her to the new police chief and a man from her past.

County investigator Seth Harding intends to spend the holidays with his newly reconciled family, but a few days before Christmas, a homicide thwarts his plan. Seth arrives at the scene and makes a painful discovery: the victim is his brother-in-law's girlfriend. Her apartment has been ransacked and her toddler left motherless. To make matters worse, Seth's brother-in-law, Bruce, is missing. With Solitude locked in a rare, deadly deep freeze and the temperature plummeting, the residents launch a desperate search.

FBI Special Agent Cate Wilde is back home on a remote Pacific Northwest island when she gets the call: a teenager’s skeletal remains have been found on a nearby island. Together with Tessa Black, a childhood friend turned local deputy, Cate confronts dreary weather and bleak leads to make sense of the death. The complications pile up as Cate is distracted by the coroner on the case - and by nagging memories that draw her twenty years into the past.

Twenty years ago Emily Mills's father was murdered, and she found his body hanging in the backyard. Her younger sister, Madison, claims she was asleep in her room. Her older sister, Tara, claims she was out with friends. The tragedy drove their mother to suicide and Tara to leave town forever. The killer was caught. The case closed. Ever since, Emily and Madison have tried to forget what happened that night - until an eerily similar murder brings it all back.