Walker is being pressured by Judge and Lady Winfield (George Pensotti and Amanda Boxer) as they are counting on him to locate their missing daughter Diane (Simone Bowkett); Diane's husband Greg (Charles Dance) claims she has left home after yet another domestic row. As Walker digs deeper he uncovers information that links with Connor's murder enquiry. Together they have a killing, and a killer who appears to have orchestrated the perfect murder. There is, however, no body. Connor and Walker lock horns to unravel the truth as the case becomes a high stakes battle of wits - a frightening horror story about a killer so clever that his case might never be brought to justice...