Tan:Checkmate 01

As a student, Soohyun was always overshadowed by the perfect Eunsung. He envied him so much that it developed into a real obsession. But no matter how hard he tried, he could never hold a candle to Eunsung. Ten years later, Soohyun ekes out an existence as a bored office worker. The memories of his emotional school days have long since faded. But then he witnesses Eunsung's life falling apart. This reignites Soohyun's passion: he wants to see Eunsung fall further and further ....