What if your neighbour asked you to watch her seven-year-old daughter for an afternoon, and didn't come back?
Lucy's life is small, but safe. Every day she goes to work, checks in on her unstable, alcoholic father, then spends her evenings watching old Columbo reruns, isolating herself away from the rest of the community on her South London estate.
Her routine is all that she can handle, given what happened in her past.
So when her new neighbour Cassie asks Lucy if she could look after her seven-year-old daughter Rubi, she is reluctant to agree.
Then when the hours pass, and then days, and Rubi's Mum doesn't come back, Lucy's worst-case-scenario is now her reality. Lucy is not only responsible for herself anymore. She is responsible for a scared little girl who needs her help.
Something has happened to Cassie, and Lucy must find her before it's too late.
