It wasn't the sort of place where anything should happen. Gurney Close was just a small, newly-build cul-de-sac, three nice houses and a bungalow overlooking the river Wye. None of the people who move in - three married couples and a divorcee - expect anything much to take place, beyond, perhaps, some neighbourhood friendliness. With this in mind, they organize a party to celebrate moving in. All goes well, a good time is had by everyone. Until one of them is found dead the next morning. Lambert and Hook are faced with a baffling crime. For their harmless, normal-seeming victim turns out to have a darker past than they could have suspected - and enemies everywhere, very close to home...