S Line

A Fall into Darkness (1x3)

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After Seon A falls from the school rooftop and slips into a coma, Ji Uk is consumed by guilt and rage. He teams up with Hyeon Heup to find the culprit. Meanwhile, Jeong U, an English teacher at Bangju High School, discovers his fiancée’s infidelity through a pair of S Line glasses left on his desk, unraveling his life and deepening the mystery.