Masha and four children come to the Orlyonok All-Russian Children's Center for a summer vacation and unexpectedly find themselves in the thick of the most ancient confrontation between the forces of evil and good, when the girl accidentally awakens one of the seven stone elders. Now the guys have to unite and go through an ancient quest to unravel the mystery of the seven legends and prevent El, the mistress of chaos, from winning. To do this, they need to overcome their fears, learn to appreciate friendship and believe in the impossible.