Jennie Kim, a freshman in university, had fallen helplessly in love with a man who goes by the name Kim Taehyung. To her he was charming and very intriguing. When her wish of them getting into a relationship had finally come true, the man began to act distant and strange and very suspicious, often hiding things from her. The young girl, curious and driven by an obsession for him began to secretly follow his activities which soon lead her to dig into his personal life. Convinced that he is seeing another woman, she assumed she'd find something heartbreaking and tragic but the truth she found instead was much more terrifying and disturbing.