Set in the then future year of 2022, supernatural beings suddenly appear out of nowhere to condemn people to Hell. The series stars an ensemble cast including Yoo Ah-in, Kim Hyun-joo, Park Jeong-min, Won Jin-ah, Yang Ik-june, Kim Do-yoon, Kim Shin-rok, Ryu Kyung-soo, Lee Re, Kim Sung-cheol, Im Seong-jae, Lee Dong-hee, Hong Eui-jun, and Cho Dong-in