When Stefan Corso was assigned to investigate the murders of two strip club girls, he thought he was facing an ordinary serial killer. But the detective was wrong. It was a challenge to a duel addressed to him personally. A deadly struggle lay ahead: after all, the main suspect, Philip Sobieski, a famous artist who served seventeen years for robbery and murder, is completely confident in his alibi. The further the investigation goes, the deeper Corso and his colleagues plunge into a terrible world, where hardcore porn and the ancient Japanese art of tying up the victim do not exhaust the options for the manifestation of evil. But is it possible to preserve the mind and soul when the pleasure of pain lurks in the very black cloud that envelops unknown paintings by Goya?..For the first time in Russian!