The story depicts parasites that fall from space and begin to kill to gain their own power by controlling the human brain and body by living off human hosts. The story revolves around Jung Soo In, who is infected with a parasite on her hand and starts a strange cohabitation as it fails to steal her brain.
Seol Kang Woo chases parasitic water to find his missing sister, and Choi Jun Kyung is the team leader of the parasitic life team ‘The Grey’ and lives only to exterminate the parasitic water after losing her husband to the parasitic water.
Seol Kang Woo chases parasitic water to find his missing sister, and Choi Jun Kyung is the team leader of the parasitic life team ‘The Grey’ and lives only to exterminate the parasitic water after losing her husband to the parasitic water.
Set in the future, when the planet suffers from a lack of water and food caused by desertification. Yoon Jae is a soldier for the space agency. He is selected for a team, including Ji An, to travel to the moon. A scientist joins the mission to recover mysterious samples from an abandoned lunar space station, where an accident killed everyone including her sister.
Residents of Green Home Apartments, including Cha Hyun Soo, fight against monsters to leave their base and venture out into the world. At a baseball stadium, survivors from all over begin to live together. They are threatened by the monsters outside and also by the monstrous desires of the people among them.
The never-ending monsterization crisis. Hyeon Su, consumed by monsters, tries to regain his human self. Nam Sang Won, who entered Pyeon Sang Uk's body, visits the survivors' stadium with a group of people to achieve his goal. And unlike the previous rules, they put forward an unconventional condition to provide convenience to those with symptoms. Stadiums are no longer safe spaces, and people are confused. Meanwhile, Eun Hyeok, who was reborn from the cocoon, appears in a new form... Season 3, which will mark the finale of the desperate struggle of those who are faced with a choice between the border between monsters and humans.
Jung Ki Hoon searches for strange supernatural phenomena as an archaeologist, but an unexpected case causes his life to change. He now publishes the occult magazine Monthly Strange Story and runs the YouTube channel Monthly Strange Story. Because of his ex-wife, Lee Soo Jin, he goes to Jinyang County to research "Gwibul" (a Buddhist statue possessed by an evil spirit). There, he faces an incredibly bizarre and fearful phenomenon.
Lee Soo Jin used to decipher letters and symbols as an archaeologist. She was excellent at her work. But, her only child dies, and she then goes to Jinyang County. There, Lee Soo Jin experiences mysterious phenomena, which leads her to search for answers.
Meanwhile, the people of Jinyang County, including police substation chief Han Seok Hee, her son Han Do Kyung, governor Kwon Jong Soo, and trouble maker Kwak Yong Joo face incredibly bizarre phenomena.
Lee Soo Jin used to decipher letters and symbols as an archaeologist. She was excellent at her work. But, her only child dies, and she then goes to Jinyang County. There, Lee Soo Jin experiences mysterious phenomena, which leads her to search for answers.
Meanwhile, the people of Jinyang County, including police substation chief Han Seok Hee, her son Han Do Kyung, governor Kwon Jong Soo, and trouble maker Kwak Yong Joo face incredibly bizarre phenomena.
An unexpected case leads Lee Yeon back in time to 1938, where he reencounters Ryu Hong Joo. Once a guardian spirit of the mountain in the west, she's now the owner of a high-end restaurant in the capital city of Gyeongseong. He also meets his younger brother Lee Rang. Meanwhile, another former guardian spirit and ex-friend Cheon Moo Young has become hostile. Lee Yeon struggles to return to the present, to his loved one.
