On the New Year’s eve of 1989, 11 years old Collier Landry wakes up to a loud thud coming from his parents' bedroom, and it becomes the night his mother Noreen disappears forever. All of his family seem to have no doubts that she ran away after a fight with her husband, but only Collier knows that his mom would never leave him behind. As Dr John Boyle refuses to discuss his wife’s disappearance, detective David Messmore builds a secret bond with the child who insists his mom was murdered. Together, they discover Dr. Boyle’s hidden girlfriend and an astonishing secret buried under the doctor’s new mansion’s floor.