Emily's parents have vanished into the secret world of the Midnight Hour – a Victorian London frozen in time – home to magic and monsters. Emily must find them in the city of the Night Folk, armed only with a packed lunch, a stowaway hedgehog and her infamously big mouth. With bloodthirsty creatures on her tail, Emily has to discover the truth to rescue her parents. What family secret connects her to the Midnight Hour? And can she save both worlds before she runs out of sandwiches?