Synopsis

After severely injuring a student, Yeo-Un is stripped of his group leader title and sentenced to five days of solitary training. He is lectured by a deputy about his impulsive actions, revealing that the attack was motivated by revenge and fear of expulsion. The deputy emphasizes the need for cunning and control, urging him not to be consumed by his rage. Yeo-Un realizes his shortcomings, and decides to use this time to grow stronger before the upcoming examination.