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 Sgt Fred Thompson
as Julie Woodson
as Newsreader
as PC Colin Ryle
as Marley Daniels
as Nicola Harris
as Armed police officer 1
as Neil Slattery
as Ben Mills
as Dr Stitchill
as Harry Medcalf
as Deliver Express Cyclist
as DI Lucas Stanning
