Grid2022Sci-Fi & Fantasy, Mystery, Action & AdventureLoading watch options…In 1997, a mysterious ghost saved humankind and then disappeared. The mysterious ghost appears 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.CreatorLee Su-yeonCastSeo Kang-joonKim Ah-jungLee Si-youngKim Moo-yulJang So-yeon