HD
2026
Ji-woo feels isolated at her elite private school until she crosses paths with Hak-sung, the seemingly unassuming janitor. Beneath his humble exterior lies a brilliant mathematical mind, a talent shaped by his past as a North Korean defector. As their unlikely friendship blossoms, Ji-woo discovers inspiration and mentorship from Hak-sung, who helps her navigate both academic challenges and personal struggles. Their connection not only transforms Ji-woo's approach to education but also reveals the power of resilience and the importance of understanding one another's backgrounds.