Um detetive dedicado investiga a maior organização de tráfico de drogas da Ásia enquanto tenta encontrar o líder da operação com quem tem assuntos

Today is righteous Chae-young's first day of her transferred school after beaten a bully to nothing. Despite the dad's warning, she saves her classmate Jong-gu from bullies again. Fascinated by her, Jong-gu asks how to be strong like her.