It's two years since the mysterious disappearance of Kath Swarbrick's older sister Annie, but Kath remains haunted by a need to know what happened. When police investigations wind down, Kath continues the search herself. She gets nowhere until she steals some CCTV footage of her sister on her final day. Visiting the spot where Annie was filmed, Kath becomes convinced she has found a portal to another reality and from this portal Kath is trying to say something.
Shirley Henderson
as Kath
Roshan Seth
as Noyen
Ger Ryan
as Elsie
Richard Armitage
as Steven
Ralf Little
as Eddie
Jamie Sives
as Jim
Shireen Shah
as Vellama
Sean Harris
as Hurricane Frank
Lyndsey Marshal
as Tracey
Rebecca Palmer
as Irene
Karl Johnson
as Coastguard Bill
George Costigan
as P.C. Pike