Years after the disappearance of their young daughter, Cassandra, Matthew and Tina lead anguished lives marked by grief and guilt. Matthew, who was the last person to see Cassandra when she went missing, is particularly tormented, as his moment of distraction is constantly under scrutiny. While Tina channels her pain into working at a hotel, their marriage strains under the weight of unresolved trauma. Meanwhile, Detective Jeffrey Cornwall and his partner, Nicole Dunlop, are dedicated to cracking cold cases and are aware of a network of child exploitation in the area. These detectives explore links and digital trails that hint at Cassandra’s possible fate.

As the present-day investigation unfolds, glimpses into Cassandra’s life in captivity reveal her dismal conditions and her captor’s cunning manipulation. The dual timelines provide insights into how lives have diverged yet remain painfully intertwined by the same event. Matthew becomes increasingly desperate, taking matters into his own hands while the detectives close in on crucial leads. The narrative tension escalates as paths converge, setting the stage for potentially devastating revelations and a race against time to uncover the truth, leaving characters grappling with hope and despair.