There is nothing as powerful as a mother's love. But how far will Ellen go to protect her son? From the Sunday Times bestselling author of The Other Passenger and Our House - now a major ITV series - comes a nail-biting story about a mother's obsession with revenge.'I didn't read The Heights, I inhaled it' LISA JEWELL Ellen Saint is just your average mum. Devoted to her family, she's no different from any other mother who wants the best for her kids. But when her teenage son Lucas brings a new friend home, cracks start to appear in Ellen's perfect family life. Kieran Watts isn't like Lucas. He's rude, obnoxious and reckless, and Ellen can only watch in despair as her son falls deeper under his influence. Then Ellen's whole world implodes and she embarks on an obsessive need to get revenge.There is nothing you won't do for your children - even murder . . .