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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.

Cast

Seo Kang-joon

Kim A-joong

Lee Si-young

Kim Moo-yul

Jang So-yeon

Kim Sung-kyun

Heo Joon-seok

Lee Gyu-hoe

Song Sang-eun

Kim Hyeong-mook

Jo Hee-bong

Kim Young-sung