In 1950s United Kingdom, West Garside is a small, rather uneventful town. That is, until a bungled bank robbery leaves two people dead.Former Battle Of Britain pilot and now detective, DI Christopher Yarrow is called in to lead the manhunt. Soon, a burnt out getaway car and some vital clues reveal more about the gunman's identity.With every step, the killer seems to be a step ahead of Yarrow and his team. Can they find him, and bring him to justice before more lives are lost?