Detective vs. Sleuths

Hong Kong is thrown into chaos as a series of brutal murders unfolds, prompting the police to create a special task force to tackle the chilling case. Jun, a former detective whose mental health has deteriorated, takes it upon himself to delve deeper. As the investigation progresses, the police discover that the victims are all linked to unresolved crimes and are being eliminated by a shadowy figure known as "The Sleuth." With time running out, Jun teams up with a detective from the task force to outsmart the ruthless killer before more lives are lost.