Death message

October 1987: the morning after the Great Storm. 15-year-old Tania Mills walks out her front door and disappears. 27 years later her mother still prays for her return. DS Sarah Collins in the Met's Homicide Command is determined to find out what happened, but is soon pulled into a shocking new case and must once again work with a troubled young police officer from her past, Lizzie Griffiths.