Three ninth-grade friends, Zhanna, Vika, and Katya, are preoccupied with how to get boys to like them, where to find alcohol, and how to sneak into a school dance.
Fearful of threats from a tenth-grader named Nastya, Zhanna and Vika send Katya back home, deciding to go to the dance without her to avoid drawing attention.
On the night of the dance, Zhanna and Vika enter the school and head to the bathroom, where they encounter older girls drinking wine, who offer some to them.
Meanwhile, Katya, after escaping her mother, returns to the school and faces Nastya, who violently attacks her in front of other students, suspecting her of being involved with Alex.
In order to appear more realistic, the actors consumed large quantities of alcohol and tobacco on camera, performed fight scenes without stunts and used many mat profanities.