"The arrival of new girl Chrissy triggers some alarming behaviour in apparently well-balanced schoolboy Sam."

"With the death at the hospital causing suspicion, Sam must tread carefully. Jenny summons the courage to face a threat from the past."

"When Sam exposes Jenny's dark secret her world begins to unravel. Sam comes face to face with his father and Jenny 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."