The Secret of the Dark Dungeon

Summer, vacation, and boredom!.. What should real detectives Petya and Cruz do in the summer at the dacha during vacation? Of course, observe the suspicious neighbor. The guys spend all their free time doing just that. And thanks to their efforts, they manage to track down two dangerous criminals, who have several victims on their record. But the guys are not acting alone. They are assisted by Dasha and Olya. At the same time, Petya and Cruz, with the help of the village girl Tanya, find a hideout. What secrets are hidden in the dungeon?.