Teach You a Lesson S01E05 - Episode 5

Episode Overview

Exhausted and overwhelmed, an elementary school teacher reaches her breaking point under mounting stress. Hwa-jin takes over as her substitute, slipping into the classroom with quiet confidence. But this is no ordinary day of lessons. Using her sharp instincts and unconventional methods, Hwa-jin turns the school into a crime scene investigation, flipping the script to crack the case wide open.

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