Three married couples and a divorcee move in to the newly-built Gurney Close, which overlooks the river Wye. They organise a party to celebrate their new homes, and all goes well - until one of them is found dead the next morning. Lambert and Hook investigate.
It was meant to be a harmless stag night prank. A few hours later four of his best friends are dead and Michael Harrison has disappeared. With only three days to the wedding, Detective Superintendent Grace - a man haunted by the shadow of his own missing wife - is contacted by Michael's beautiful, distraught fiancée, Ashley Harper. Grace discovers that the one man who ought to know Michael Harrison's whereabouts...