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.
Gemma Whelan
as DI Sarah Collins
Tahirah Sharif
as DC Lizzie Adama
Jimmy Akingbola
as DC Steve Bradshaw
Emmett Scanlan
as DI Kieran Shaw
Bobby Lockwood
as DC Lee Coutts
Ella Smith
as DS Elaine Lucas
Karl Davies
as DCS Tim Bailie
Michael Karim
as PC Arif Johar
Daniel Adegboyega
as Shakiel Oliver
Laurie Delaney
as Mary Shaw
Lamar Waves
as Ryan Kennedy
Robbie Gee
as DS Mark Angel
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
