S01:É01 - S01:E01 - Episode 1
In 1999, Dong-chan secretly plans a "Frozen Human" project. He freezes himself with Mi-ran.
S01:É02 - S01:E02 - Episode 2
Dr. Hwang, the only person who can defrost Dong-chan, is missing. Then, 20 years have passed.
S01:É03 - S01:E03 - Episode 3
Dong-chan and Mi-ran are finally defrosted in 20 years. Then, they go back to where they were.
S01:É04 - S01:E04 - Episode 4
Mi-ran asks for compensation. Byung-shim's heart won't stop beating after seeing Mi-ran in 20 years.
S01:É05 - S01:E05 - Episode 5
Everything is confusing, and Mi-ran starts an internship. Then, Dong-chan and Mi-ran are kidnapped.
S01:É06 - S01:E06 - Episode 6
Dong-chan reveals he has participated in a cryogenics experiment to save Mi-ran. Everyone panics.
S01:É07 - S01:E07 - Episode 7
Mi-ran and Dong-chan get lost. The weather is getting hot, and they are getting hotter.
S01:É08 - S01:E08 - Episode 8
After the kiss, Mi-ran and Dong-chan become awkward, and Mi-ran apologizes for kissing him.
S01:É09 - S01:E09 - Episode 9
Mi-ran is confused by how Dong-chan behaves. Ha-young warns Mi-ran not to put Dong-chan in trouble.
S01:É10 - S01:E10 - Episode 10
After hearing that they can't have normal life from Dr. Hwang, Dong-chan runs to Mi-ran.
S01:É11 - S01:E11 - Episode 11
Knowing everything, Ha-young visits Hyeong-du and tells him that what she wants is Dong-chan.
S01:É12 - S01:E12 - Episode 12
Dr. Hwang is kidnapped. Mi-ran and Dong-chan suffer side effects from the experiment.
S01:É13 - S01:E13 - Episode 13
Dong-chan moves into Mi-ran's house. When they become close, he discovers Ha-young's secret.
S01:É14 - S01:E14 - Episode 14
Ha-young saves Mi-ran from an intended accident. But, Mi-ran is startled to know Ha-young's secret.
S01:É15 - S01:E15 - Episode 15
Terry Kim is still missing. Dong-chan does a test to restore his body temperature.
S01:É16 - S01:E16 - Episode 16
Mi-ran is back in the capsule, and everyone is in despair. Dong-chan waits for her to wake up.