Criminal Files: The Blood Angel

A phantom killer haunts Yue'an City—no evidence, no motive, no connection to the victims. Two years after a "routine" murder left investigators baffled, Detective Lin Dong receives chilling news: the killer has returned. What terrifies the seasoned detective isn't the brutality—it's the perfect invisibility. As bodies pile up with zero forensic traces, rookie He Wei must unravel a pattern that defies logic itself. In a deadly game where the hunter leaves no shadow, can they catch a predator who doesn't exist?