A creature action thriller series about the desperate survival of the survivors among the mutant humans who drank a mysterious black smoke from the sinkhole and soon turned into monsters and quickly became a pandemonium.
as Lee Hwa Sun
as Yoo Tae Han
as Woo Sang
as Choi Seung Tae
as Lee Young Tae
as Yoon Saet Byeol
as Choi Gyeong-su
as Han Dong Rim
as Song Sang Eun Kim Seon Nyeo / "Sunnyeo" / "Madame Kim"
as Jung Do Yoon
as Han Ji Soo
as Park Soon Il
as Cho Hyun Ho
as Lee Jin Seok
as Yoon Ji Ae
as Kang Sung Beom
as Son Dong Goo
as Teacher Na Se-na
as Kim Bo-eun
as Nurse
as Nurse
as Student
