Planning to spend a vacation in Paris with Alexandra, Ksyusha, and Remy, private detective Alexey Kisanov takes on—at the same time—an uncomplicated case to find a missing person. As it turns out, Mikhail Levikov went to France to be with the woman he met on the Internet. But he disappeared again—this time from Paris! Even more mysteriously, Ksyusha also vanishes after playing her role in an erotic performance at the Marquis de Sade’s castle. 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 got lost in the mysterious mountains of Provence. Every step creates a new riddle for Alexey and Remy, and any version leads them to a dead end—while their investigation is framed by a string of brutal murders…