
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 DC Alice Parker

as DCI Jim Fedden

as Julie Woodson

as Newsreader

as DC Archie Rivers

as Pathologist

as Spencer Cardoso

as Jermaine King

as Owen Pierce

as DS Ash Curren

as Lexi Moss

as Loretta Kennedy

as Victor Grimes

as Nina Khady

as Mitko

as Danny Kane