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.

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.

Quitting her job as a high school science teacher to join the Seattle Police Department was an easy decision for Tracy Crosswhite. Years earlier, what should have been one of the happiest days of her life instead became her worst nightmare when her younger sister, Sarah, disappeared. After the murder trial, while her family disintegrated, Tracy turned her heartbreak and her lingering questions into a passion for justice.

When an eleven-year-old is abducted on her way to school, the FBI doesn’t waste a moment, sending agents to scour the area and embedding Special Agent Ava McLane with the distraught family. In the eye of the storm is local detective Mason Callahan, whose life is crumbling to pieces - he’s related to the victim, and his longtime confidential informant has just been murdered.