This novel is set in London and there are many locations that are included in the book. At the beginning of the novel Patrick lives in West Molesey with his wife and baby daughter. Molesey is a suburban district comprising two large villages, East Molesey and West Molesey, on the edge of Greater London.
The area where the three children are abducted from is Richmond-upon-Thames. The London Borough of Richmond upon Thames in south-west London forms part of Outer London and is the only London borough on both sides of the River Thames.
Frankie and her family live in Teddington. Teddington is a town in the London Borough of Richmond upon Thames. Mostly residential, it stretches from the Thames to Bushy Park with a long high street reaching down to pubs, restaurants, leisure premises, fields and fitness clubs by the riverside, having a pedestrian suspension bridge over the lowest non-tidal lock on the Thames, Teddington Lock.
Patrick Lennon belongs to MIT9, one of the Met’s Murder Investigation Team. Murder/Major Investigation Teams (MIT) are the specialised homicide squads of the Metropolitan Police in London. Forming part of the Homicide and Serious Crime Command, itself part of the Specialist Crime Directorate, there are 24 MITs within the Met. MITs investigate cases of murder, manslaughter, attempted murder where the evidence of intent is unambiguous, or where a risk assessment identifies substantive risk to life.