

A deadbeat teacher helps an angry, aimless teenager find direction in life during his final year of high school.
Acting
Yoo Ah-in's volcanic rage meets Kim Yun-seok's weary warmth.
Writing
Dialogue that stings then soothes—often in the same scene.

Director
Lee Han
Trivia, insights & behind the scenes
Yoo Ah-in trained in taekwondo for months and performed most of his own stunts, including the brutal tournament scenes.
The film quietly critiques Korea's brutal education system and class mobility, with Wan-deuk's rooftop home symbolizing literal and social marginalization.