In 1997, a mysterious ghost saved humankind and then disappeared. It reappears again 24 years later and helps a serial killer escape. Kim Sae Ha, Jung Sae Byeok and Song Eo Jin pursue the ghost for different reasons.
- Other name: 그리드,제로,제로(0),Jelo,Zero,0,Greed
- Genre: Sci-fi, Thriller
- Status: Upcoming
- Duration: N/A min
- Country: South Korea
- Network: N/A
