S1 • E1
In 1999, a star director Ma Dong Chan is on a roll. He is renowned for trying new things and making sensational variety shows. He volunteers to participate in cryonics experiment with Ko Mi Ran who has done various experiments with him.
S1 • E2
Professor Hwang goes missing, and there is no other way to defrost Dong Chan and Mi Ran. The station covers up about the experiment and the shoot to hide its fault. 20 years later, Dong Chan and Mi Ran wake up due to a malfunction of the machine.
S1 • E3
Dong Chan and Mi Ran get to reunite with their family members 20 years after they participated in the cryonics experiment. They're shocked by the fact that it's the year 2019 now. They also have a hard time dealing with how the world has changed.
S1 • E4
Mi Ran asks the broadcasting station for compensation for the 20 years she has lost. She demands an astronomical amount of money. Meanwhile, an article about Dong Chan is released, and people at the broadcasting station start to gossip about him.
S1 • E5
Dong Chan offers Mi Ran an internship at the broadcasting station, and Mi Ran accepts it. Dong Chan tells her to make proposals for variety shows. Meanwhile, two thugs tail and threaten Dong Chan.
S1 • E6
After Dong Chan announces that he participated in the cryonics experiment on the TV news program, he becomes the talk of the town. People start to recognize him wherever he goes. Meanwhile, Byung Sim tells Mi Ran that he still loves her.
S1 • E7
The police open an investigation to find out who is behind Professor Jo's car explosion. Meanwhile, Dong Chan and Mi Ran are lost on the mountain, but their temperature starts to rise as they walk.
S1 • E8
Mi Ran is reunited with Yu Ja who used to be a shaman. Yu Ja tells Mi Ran that she's meant to meet Dong Chan. Mi Ran realizes that she is being swayed by Dong Chan. Meanwhile, Byung Sim decides to be a neighbor of Mi Ran and her family.
S1 • E9
Mi Ran is confused by how Dong Chan acts. He looks like he sometimes makes a step towards her, then suddenly he pushes her away. And a rumor about Dong Chan is spread in the broadcasting station.
S1 • E10
Mi Ran deals with the online post about the exposure of her involvement in the cryonics experiment, and people start to support her. She continues to work as an intern at the broadcasting station. Meanwhile, Professor Hwang regains his memories and goes to his lab.
S1 • E11
Ha Young threatens Hyeong Du, saying that she knows he is a fake. Hyeong Du is flustered and in turn, goes to threaten Professor Hwang. Dong Chan collapses from an unknown illness.
S1 • E12
Dong Chan comes to visit Hyeong Du and offers a deal that they exchange Professor Hwang and Seok Du. Professor Jo continues trying to find the antidote for Mi Ran and Dong Chan. And finally, the pilot episode of "Go Go 99" airs.
S1 • E13
Dong Chan tells Hyun Gi and Hong Suk that they should tell the prosecution the truth to avoid getting humiliated later. Hyeong Du insists that he is the real Seok Du at the temporary board meeting, but the real Seok Du appears.
S1 • E14
Dong Chan and Mi Ran still get tensed up since Terry Kim has not been arrested. Ha Young saves Mi Ran from an accident, while Mi Ran learns the shocking truth about Ha Young.
S1 • E15
Terry tries to attack Mi Ran, but she counterattacks him. Hong Suk tells Ha Young that she should go to Washington as a correspondent. Dong Chan's body temperature comes back to normal, and it is Mi Ran's turn to get the injection.
S1 • E16
Dong Chan moves into Mi Ran's house while waiting for her to wake up. Three years have passed, and Ha Young comes back to Korea. The result of the clinical trial is a success, and they decide to perform surgery on Mi Ran
