Andy's 30th birthday lunch is interrupted by a shocking act of violence; after her mother's viral 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.
Feeling caught in a web of lies, Andy searches for answers on her own; Laura sends a message on live TV and soon finds her past catching up with her.
Andy probes possible connections to her mother, including an inmate and a pharmaceutical CEO; despite lingering threats, Laura looks for a way out.
Andy uncovers more details about her family's history and reaches out to Mike, while Laura begins her new life and tries to track down her daughter.
Andy attempts to retrieve a suitcase from Mike's hotel room, as her mother reconnects with people from her past; a bittersweet reunion is cut short.
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.