In 1989, 11-year-old Collier Landry's mother Noreen disappeared on New Year's Eve after a loud thud from his parents' bedroom. Despite his family's belief that she ran away, Collier is certain she was murdered. Dr. John Boyle, Noreen's husband, refuses to discuss her disappearance, but detective David Messmore forms a bond with Collier and they uncover a hidden girlfriend and a shocking secret buried in Dr. Boyle's new mansion.