He witnessed the guy he was stalking killed a person. Heewoon had a one-sided crush on his junior, Kangwoo, who gave off a somewhat chilly atmosphere even when he was smiling. There were many rumors surrounding him, but no one knew the truth about him. Heewooon was fascinated by the mysterious Seo Kangwoo. He wanted to know more about him, so he even started to stalk him. But he shouldn’t have done that. That decision made him witness Seo Kangwoo killing a person. And at the moment he sent a message to the police, Seo Kangwoo called him out.