About the book: year / During the holidays, a team of desperate people with most of the class went to the 'School of Survival' near Moscow. The guys learned the art of survival, and also sunbathed on the shore of a picturesque lake and swam. They also found an abandoned boat without oars and wanted to sail on it to the islands, but that was not the case! The caretaker of the old boathouse turned out to be an angry and suspicious guy, and when his friends finally stole his oars, the boat disappeared. The watchman guarded his barn like the apple of his eye, and strange personalities visited him. The guys decided that they were poachers. But when six of them were landed on the largest island with the ruins of an old monastery, it turned out that it was inhabited, and they would have to face something worse than poachers…