Other name: 다크홀 어나더 클래스 Dakeuhol Eonadeo Keullaeseu Another Class Black Hole

Synopsis: :
About a group of survivors who have to fight for their lives against mutants that are created when humans breathe mysterious dark smoke from a sinkhole.
Lee Hwa Sun is a police detective in the Seoul regional investigation unit. Lee Hwa Sun’s life is turned upside down when she receives a phone call from her husband’s murderer, telling her to come to “Mujishi.” However, the people in Mujishi have been transformed into monsters after breathing in a mysterious dark smoke. Lee Hwa Sun must not only fight to survive but also battle her fear in order to capture her husband’s murderer.
Yoo Tae Han is a native of Mujishi and a wreck car driver. He has a carefree personality and likes to joke around, but he has a strong sense of justice. He quit being a police officer due to a scandal caused by a misunderstanding, but he is proud of his days in the force. When he meets Lee Hwa Sun in the chaos of Mujishi, he devotes his life to saving others from danger.

Other name: 다크홀 어나더 클래스 Dakeuhol Eonadeo Keullaeseu Another Class Black Hole

Synopsis: In pursuit of her husband’s killer, Detective Lee Hwa Sun ( Kim Ok Bin ) heads to the city of Mooji. A dark hole is found in the forest, emitting a strange black smoke. People who breath in the smoke are transformed into monsters. However, there are few among the inhabitants of the city who are not affected by it. Former police officer Yoo Tae Hwan ( Lee Joon Hyuk ) is one of them.

Hwa Song and Tae Hwan team up to find out why and save the few who have not yet become a monster.

Also known as: 다크홀 어나더 클래스 Dakeuhol Eonadeo Keullaeseu / Another Class / Black Hole