Vanya comes to the clinic for dental treatment. A doctor named Bezzubikova finds scary monster microbes in his mouth. She destroys two villains, and decides to expel the others next time. At the same time, the doctor asks Vanya to give the pulled out tooth to the Tooth Fairy before going to bed. Vanya does not give the tooth to the fairy, he wants to catch her and together with her ends up in the Toothless Country. People without teeth live in this country - such a mockery of nature. Adults are still somehow coping, but toothless children suffer a lot. Therefore, Doctor Bezzubikova and Professor Bezubny install milk teeth for the toothless ones, which are brought by fairies. With the appearance of Vanya in the Toothless country, disaster happens. Monster microbes make their way out through Vanya’s mouth and take over the Milk-Tooth Factory. No one can cope with them, not even their ruler, Toothless Eight...