What if you left your child alone, and something terrible happened? Anna James is an anxious mother. So when she has to leave eleven-year-old Harrie home alone one evening, she can't stop worrying about her daughter. But nothing bad ever happens in the sleepy village of Barton St Martin. Except something goes wrong that night, and Anna returns to find Harrie with bruises she won't explain. The next morning a local businessman is reported missing and the village is sparking with gossip. Anna is convinced there's a connection and that Harrie is in trouble. But how can she protect her daughter if she doesn't know where the danger is coming from?