A murder case occurred in a slum area of the city. The deceased died in a strange manner and had strange symbols on his body. Xie Bingyu took over the case and began investigation. At the crime scene, Xie Bingyu found traces of some high-tech crime tools and mysterious symbols, which confused her. At this time, she met Yi Qianfan, who took the initiative to help her analyze clues. As the investigation deepened, several similar murders occurred, each one full of mysteries. Xie Bingyu and Yi Qianfan discovered that there seemed to be some secret connection between the dead.
