In 1940s, the nuns of a remote Scottish island convent ready for an impending storm, but when a baby is left on their doorstep, Sister Agnes becomes convinced he is the Devil and wants to kill the child. After Agnes is locked away a grim series of events ensue as the storm rages, and as her Sisters begin to question faith and reality, Sister Eleanor must try to repent and survive the dark events at St Augustine’s.
Maryam d'Abo
as Mother Superior
Paul Barber
as Amos
Amber Doig-Thorne
as Agnes
Annabelle Lanyon
as Annalise
Michaela Longden
as Eleanor
Elle O'Hara
as Valerie
Lisa Riesner
as Lucy
Nathan Shepka
as Daniel
Tim Spriggs
as Satan (voice)
David Rogerson
as German Soldier
May Milloy
as Peter
Scott Brand
as (voice)
