In the absence of the boss, private detective Pavel Sinichkin, his secretary Rimma welcomed the visitors. New clients amazed her: the Dorofeev brothers looked like model beauties, but the older one, Fedor—an athlete and parkour coach—took care of the younger one, Yarik, an autistic boy… Yarik visited a rehabilitation center and fell in love with his instructor Olga, but she suddenly got fired and left Moscow. Rimma easily found out that Olga was hiding in a village in Pskov Oblast and arranged a meeting. Olya told her that she left because of increasingly frequent threats from unknown people. And that evening, all TV channels reported a terrifying news: there had been shooting at the rehabilitation center where Yarik went…