There is something horribly wrong with the bodies found in the dark city streets. Some are mutilated while others have the Price equation (wΔz = Cov (w,z) = βwzVz) carved into their flesh. Detective Eddie Argo and his new partner Helen Westcott unearth the meaning of the odd equation and realise each victim is being offered a gruesome choice: kill your loved ones, or be killed. Before long it becomes clear that the perpetrator has suffered a similar fate and is now coping by seeking a way to solve this philosophical dilemma.
Selma Blair
as Jean Lerner
Melissa George
as Helen Westcott
Stellan Skarsgård
as Eddie Argo
Sally Hawkins
as Elly Carpenter
John Sharian
as Jack Corelli
Paul Kaye
as Gelb
Michael Wildman
as O'Hare
Ashley Walters
as Daniel Leone
Tom Hardy
as Pierre Jackson
Alibe Parsons
as Miss Allaway
Barbara Adair
as Alice Jackson
