A year after witnessing a murder, residents of Tower Block 31 find themselves being picked off by a sniper, pitting those lucky enough to be alive into a battle for survival.
Sheridan Smith
Becky
Ralph Brown
Neville
Russell Tovey
Paul
Jack O'Connell
Kurtis
Jill Baker
Violet
Julie Graham
Carol
Christopher Fulford
Kevin
Steven Cree
DC Devlin
Nabil Elouahabi
Gary
Tony Jayawardena
Eddie
Jamie Thomas King
Ryan
Ralph Laurila
Jimmy
