Andy's 30th birthday lunch is interrupted by a shocking act of violence. After her mom's stunning response goes viral, a threat emerges in their home.

Forced to flee in the night, Andy prepares to navigate the long journey to Maine without a GPS, while Laura asks Gordon for help with a delicate matter.

Andy probes possible connections to her mother, including an inmate and a pharmaceutical CEO. Despite lingering threats, Laura looks for a way out.

Andy heads to a familiar place with a companion as memories of her childhood come flooding back. Flashbacks reveal the Quellers' struggles after Oslo.

During an intense confrontation, Andy comes to a frightening realization. A closer look at the horrific events in Oslo brings more truths to light.