Netflix 'Extracurricular' Plot & Ending Explained

The Netflix series is a suspense drama that tells the story of Heo Mun-oh (Choi Min-sik), a failed writer and Korean literature professor, who discovers the genius of Lee Kang (Choi Hyun-wook), a student in the last row of his lecture hall, and becomes obsessed with writing. Choi Min-sik discussed the overall work and his acting career in an interview held at a cafe in Samcheong-dong.

is based on the play 'The Boy from the Last Row' by Spanish writer Juan Mayorga and was adapted into a film by director François Ozon, . Unlike the original work's literary sentiment and ethics, and the film's voyeuristic instinct, the Korean series emphasizes a thriller-like suspense that delves into the raw truth by focusing on the weight of words.

Choi Min-sik initially had reservations about the dark and serious atmosphere of the work, but expressed his feelings upon its release, saying, "I think they responded to the intent of the work." He admitted that he didn't have high expectations for a literary-style work in an era accustomed to fast-paced narratives. However, he expressed satisfaction that the characters, gripped by distorted desires, led to many discussions and heated debates and criticisms.

In the drama, Heo Mun-oh is a character consumed by a sense of failure, showing inferiority towards his successful friend Kim Su-hoon (Heo Joon-ho) and an obsession with his first love, Ahn Eun-ju (Kim Yun-jin). Regarding Heo Mun-oh, who neglects his devoted wife Jo Hyun-sook (Jin Kyung) and brings about the ruin of their relationship, Choi Min-sik interpreted him as "​a character who has strayed from the ethics of an intellectual, professor, and creator," explaining that he is a character with a mix of outward ambition for success and desire as a writer. He also added that Kim Su-hoon's words became the trigger for his trauma and withdrawal.

Regarding her husband Heo Mun-oh's character, Choi Min-sik stated, "How can others judge the weight of each person's pain? Only Heo Mun-oh knows his own suffering." She confessed that while he might appear like a madman objectively in the work, as an actor, she felt pity for him and wanted to embrace him.