The Day the Sun Turned Cold

A young man walks into a police station to report a suspected murder. The detective in charge is shocked by the details, despite all his years on the beat. That's because the man, Guan Jin, has accused his own mother of murder, and what's more, of murdering his father. Despite initial skepticism--the death of the man's father, after all, occurred ten years earlier--the detective decides to take up the case.