Sam appears to be a model teenager, affectionate to his single mother and capable of standing up to the school bullies. But his mother is protecting him from a dark secret.
Sam must tread carefully and hold his psychopathic desires in check after the death at the hospital arouses suspicion. Jenny plucks up the courage to face her fears as a threat from the past resurfaces.
Jenny's world begins to unravel as her dark secret is exposed and as Jack comes face to face with his father she finally begins to understand her son's true nature.
Peter is released from prison and Sam is keen to get to know him better and introduce him to Chrissy. Jenny makes a desperate bid to get to the bottom of her son's increasingly dangerous behaviour.
