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.
Ji Chang-wook,
Won Jin-a,
Yoon Se-ah,
Im Won-hee,
Kim Won-hae,
Kil Hae-yeon,
Shim Hyung-tak
Added on Amazon Prime 2023-03-24.