In Our Prime () is a 2022 South Korean drama film directed by Park Dong-hoon. The film stars Choi Min-sik as a genius mathematician with a hidden past and Kim Dong-hwi as a student who is failing math. The supporting cast includes Park Byung-eun, Park Hae-joon, and Jo Yun-seo. The film was released theatrically on March 9, 2022.
Plot A genius mathematician, Lee Hak-sung, defects from North Korea in pursuit of academic freedom. To conceal his identity and past, he takes on the role of a security guard at an elite private high school, where only the top 1% of gifted students are admitted.
With his cold and stern demeanor, Hak-sung becomes the most avoided figure on campus. However, his life takes an unexpected turn when he meets Han Ji-woo, a struggling high school student who has given up on math. After discovering Hak-sung's true identity, Ji-woo persistently begs him to become his tutor.
As Hak-sung teaches Ji-woo not just how to find the right answers, but how to navigate the process of problem-solving, both of them experience an unexpected transformation in their lives.
Cast Choi Min-sik as Lee Hak-sung, a school security guard and defector from North Korea Kim Dong-hwi as Han Ji-woo, a student who asks Hak-sung to teach him math Park Byung-eun as Kim Geun-ho, a math teacher Park Hae-joon as An Gi-cheol, agent of the National Intelligence Service who monitors Lee Hak-sung Jo Yun-seo as Park Bo-ram, Ji-woo's classmate Tang Jun-sang as Lee Tae-yeon, Hak-sung's son Kang Mal-geum as Han Ji-woo's mother Kim Hee-jung as Park Bo-ram's mother Joo Jin-mo as Oh Jeong-nam, a mathematician who participated in an international math competition with Hak-sung Kim Won-hae as Park Pil-ju, a North Korean defector and Economics professor
Reception Box office , the film has a gross of US$4,081,864, and 534,287 admissions.
Accolades AwardDate of ceremonyCategoryRecipient(s)Result Baeksang Arts AwardsMay 6, 2022 Best Director Park Dong-hoon Best Actor Choi Min-sik Best Screenplay Lee Yong-jae Best New Actor Kim Dong-hwi Chunsa Film Art Awards September 30, 2022 Best New Actor Buil Film AwardsOctober 6, 2022Busan Film Critics AwardsDecember 9, 2022Grand Bell AwardsDecember 9, 2022Blue Dragon Film AwardsNovember 25, 2022Best New Actor
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