The CCTV server, the only lead to the case, disappears in flames. Jae-kyung senses that someone is actively interfering with the case. Jae-kyung, Yun-jin, and Joo-song track down the address of Audiophile, the company Jun-seo had founded, and there, they meet Min Hyun-woo, a high school student who knew Jae-kyung and Yun-jin would come.
