
A veteran beat cop and teenage girl fall to their deaths from a tower block in south-east London, leaving a five-year-old boy and rookie police officer Lizzie Griffiths on the roof, only for them to go missing. Detective Sergeant Sarah Collins is drafted in to investigate, working to find Lizzie before she comes to serious harm, but also to uncover the truth behind the grisly tower block deaths.

as Mary Shaw

as Skye Brannon

as Julie Woodson

as James Adama

as Nabila Adama

as PC Colin Ryle

as Armed police officer 1

as Katherine Herringham

as Adrian Stephenson

as Marion

as Abigail Levy

as Pathologist

as Passerby (uncredited)

as Parent (uncredited)