Planning to spend a vacation in Paris alongside Alexandra, Ksyusha, and Remy, private detective Alexey Kisanov takes on at once a seemingly straightforward case: finding a missing person. As it turns out, Mikhail Levikov has gone to France to a woman he met on the Internet. However, he disappears again—this time from Paris! What’s more, Ksyusha vanishes in a mysterious way too: after playing her part in an erotic show in the château of the Marquis de Sade. The last time she was seen was with a certain lawyer who claims he delivered Ksyusha to the train station. Yet she never bought a train ticket...
The trails of both “disappearances” somehow get lost in the mysterious mountains of Provence. Every step becomes a new puzzle for Alexey and Remy; any version leads to a dead end, while their investigation is accompanied by a string of brutal murders...