The city of Seoul was in terror by a serial killer who only target young girls. The way of killing was brutal and after every kill the killer leave a card in his victims body. When junior detective Jeon y/n and senior detective Kim Taehyung were assigned as the partner of the murder case. Taehyung realize that this case is going to be one hell of a ride while y/n realize you can't trust anyone. even the people around you can stab you in the back. Teaser released: 26/08/2023