The sky is blue, is it righteous or evil? Tragedies have occurred one after another in City A, and the methods of committing the crimes were extremely cruel. The case has never been uncovered, and the hasty and belated 'truth' is full of loopholes. Is this really the truth revealed after the clouds dissipate? Behind an unsolved case, there seems to be a pair of hands guiding and controlling everything...
Purpose: Praise the police officers for their perseverance, pragmatism and hard work... Fight against illegal crimes