Aka：Black Coal / Feuerwerk am helllichten Tage / Черный уголь / тонкий лед / Black Coal / Thin Ice / Fekete szén / vékony jég / Fuochi d'artificio in pieno giorno / Czarny węgiel / kruchy lód / Černé uhlí / tenký led / İnce Buz / Kara Kömür / Carvão Negro / Gelo Fino / 백일염화 / Черен въглен / тънък лед / Black Coal Thin Ice / 白日焰火 / Μαύρος άνθρακας σε λεπτό πάγο
Summary：An ex cop and his ex partner decide to follow up on investigation of a series of murders that ended their careers and shamed them, when identical murders begin again.
