Professional bodyguard Evgenia Okhotnikova can do a lot: shoot from any type of weapon, defuse bombs, owns hand-to-hand combat techniques. That's just a client - a six-year-old girl Louise Lazareva. Louise, or as everyone calls her, Lou, is an unusual girl. Not only has her father recently died, banker Lazarev, who left her a huge fortune, but she is constantly lying - she says that a real witch killed her father, she says that a zombie lives in the forest. Now Okhotnikova will have to try on the role of a supernanny, and it is very difficult to protect Lou...