A mistake in the lab finds another woman carrying probation officer Gillian Jones' baby. Gillian desperately wants the child, but when her ex-husband, Vincent, is murdered, Gillian is considered a suspect. Determined to clear her own name and find the true killer, Gillian digs into the events that led to Vincent's death. In the process, her own past collides with the present and she finds herself in a chilling game of cat and mouse with the killer.