Overview
Ma Dong-chan and Go Mi-ran are both frozen during an experiment. They wake up 20 years later instead of 24 hours later and must keep their body temperature above 30°C in order to survive.
Ma Dong-chan and Go Mi-ran are both frozen during an experiment. They wake up 20 years later instead of 24 hours later and must keep their body temperature above 30°C in order to survive.
Kil Hae-yeon
Mi-ran's mother

Shim Hyung-tak
Hwang Byeong-sim

Seo Jeong-yeon
Oh Young-sun

Jeon Soo-kyeong
Ma Dong-joo

Choi Bo-min
Hwang Ji-hoon

Yoon Ju-man
Tarry

Yoon Na-moo
Go Nam-Tae

Lee Bong-ryeon
Park Yoo-Ja
