Years after a failed investigation that ended his career, a disgraced ex-cop reunites with his former partner and discovers that the killer from the case he worked on may be back. Between the fuzzy glow of the wet streets and the oppressive winter snow, this Chinese thriller buries social commentary in genre cinema, in a search for the truth within a labyrinth of disillusion and desire. Black Coal, Thin Ice won the Golden Bear at the Berlin Film Festival.