Altruistic Nightmare! Bodies have started turning up with W∆Z carved into their skin, cops Eddie Argo (Stellan Skarsgård) and Helen Westcott (Melissa George) investigate and find something truly disturbing is afoot. It's cut from the same cloth as Saw, Seven and to a degree Hostel, in that it's torture pornish in narrative essence, and aesthetically grim with its neo-noir greens and browns. Tom Shankland's movie is undeniably bleak, but sift through the blood and the grime and you find there's an intelligent film at work, one that opens up an uncomfortable can of worms about human nature.…