The discovery of bodies marked with W∆Z propels police officers Eddie Argo (Stellan Skarsgård) and Helen Westcott (Melissa George) into a disturbing investigation. This film shares qualities with movies like Saw, Seven, and Hostel; it has a narrative centered on torture and a dark visual style utilizing greens and browns reminiscent of neo-noir. While Tom Shankland’s movie is certainly somber, beyond the violence …