Han Yoon-seo lives as a transfer student at Ganghak High until she catches the attention of Geum Seong-je, a violent Union member who should've been her biggest threat. But she doesn't fear him. She doesn't react to him at all. And that becomes his obsession. What starts as curiosity turns into possession, and soon Seong-je is destroying anyone who gets too close to her without hesitation, without regret. And for Seong-je, one truth remains which is if she is threatened, everything else can burn.