[The] director, Patryk Vega, is also interested in speeding up the story, and the narrative here moves at a blistering pace. He makes most European crime dramas look painfully slow and oblique.

A pulsating rage at the way society neglects women in particular, its weakest members in general, courses through the movie. More than the displays of flayed flesh, it's what sticks.

Offering a set-piece every 10 minutes, a twist every 30, it's pure pulp, but Vega knows how to sell it, and there are pearls of wisdom amid the nastiness.

Serial killer detective thriller: bloody, nasty, fast-paced and thoroughly Polish, written and directed by Patryk Vega. It's exciting, and has a great story, familiar in parts, but only just.