A strict physics teacher tries to talk her teenage son out of dropping out of school and becoming a professional skateboarder. She makes a bet with him that if she competes in a major skateboarding competition, he will stay in school. Under the tutorship of one of her poorest pupils, she learns to skate, unaware that she's putting her career and reputation at stake.

High school student Polina is saved from bullying at her new school and makes a deal with the main bully Bars: he must pretend to be her boyfriend and protect her, and she must do everything he says. During this game, the couple develops real feelings, but her family and classmates have reasons to separate the lovers.