Private detective Igor Gladyshev, as part of a tourist group, goes on vacation to Turkey. He longs for a serene beach holiday, but, alas... Problems begin already at the Moscow airport: one of the tourists falls from the balcony and is killed. On the day the group arrives in Turkey, another tourist dies in the hotel, and then another and another... It turns out that all this is the work of a serial killer. But who is he? Why did you target a small tourist group? After all, the tourists have nothing in common, and before the trip they did not even know each other. Or did they exist?..