1964. Detective Sergeant Harry Barnard has been ordered to track down notorious Soho club owner Ray Robertson, who hasn't been seen for several days. The case takes on a greater urgency when a battered body is discovered at the gym Ray owns. Is Ray the killer ... or is he a victim?

Photographer Kate O'Donnell meanwhile is working on a feature about the regeneration of Canvey Island, finally being rebuilt after the devastating East Coast floods of 1953. But as Kate and Harry are about to discover, the Canvey Island floods, the murder and Ray Robertson's disappearance are connected in more ways than one ...