Children's camp “Smile” is a strange place. Located in an ancient castle, very close to there is an abandoned cemetery. Creepy? No, the worst is yet to come! Why is there an ominous sorcerer walking around the cemetery? Why can't you use phones in the camp? What secret does the castle dungeon keep? And what terrible curse will be fulfilled with the rising of the blood moon? It falls to young Vanya Suslikov, who came to the camp for the first time, to figure it all out. To do this, he must realize his main dream - to become a rap artist. The life of an entire country depends on the boy! The only problem is that Vanya has stage fright. And there are only a few days left before the blood moon rises...