Married couple Rosalie and Luke Douglas are mourning the untimely loss of their son. Their surviving daughter Maddie is also deeply affected, with she and her mother ultimately finding solace in the caring arms of Jed, a man they meet at a bereavement counselling session. Initially acting as a positive force in the Douglas household, restoring their hope in the future after suffering such tragedy, over the course of this three-part series it becomes apparent that something more sinister is at play.