Asian Drama

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.

Ki Joon and Hee Yeol are new students at the Korean National Police University. They are not the best students, but they are sincere when it matters. They decide to go out one evening. Towards the end of their night, they witness a young woman being kidnapped. Ki Joon and Hee Yeol try to get the police involved, but they meet apathy and bureaucracy. The two police cadets decide to save the young woman's life before it's too late.

13-year-old Tae Ok felt strong feelings of love when he first met his cousin at the family gathering. "12 years later, my heart started beating again." A letter arrives from Ah Ri while he is on military duty.

Western Seoul train station, 1996. A baby is thrown into a coin locker. She is picked up by a beggar, who names her Il Yeong. When she turns 10, she is sold off to a woman referred to simply as Mother. She is raised by remorseless loan sharks until she is 18 years old, by which time she has become Mother's trusted right hand. One day, Il Yeong is given a task: to stay close to Suk Hyun, the son of a debtor. Over the course of a few days, she becomes friends with the boy and is exposed to a world she never knew existed. She envies the normalcy that other teenage girls enjoy and opens her heart to Suk Hyun. But when his father flees, Mother orders her to kill Suk Hyun. Il Yeong cannot go through with it and by making that single choice, she must now flee from the only family she has ever known.

Hyun-sook (Kim Hee-ae) is a widowed single mother who is raising two teenage daughters while working at a big grocery store. One day, her youngest child, 14-year-old Cheon-ji (Kim Hyang-gi) suddenly commits suicide by hanging without even leaving a note. To Hyun-sook and her older daughter Man-ji (Go Ah-sung), Cheon-ji was the sweet child of the family who rarely complained and studied hard, while always trying to comfort her hardworking, often-weary mother. Struggling with guilt and anger, and not knowing why Cheon-ji chose to kill herself, the two women wonder whether there was something they missed or something they could have said or done. Flashbacks of Cheon-ji's past show that she had been the victim of cruel acts of bullying at her middle school, led by Hwa-yeon (Kim Yoo-jung), the prettiest and most popular girl in class whose true callous and manipulative nature hides a tortured soul.