Synopsis：Dong-hyeon wakes up from his sleep and looks for his wife, Mi-na, who was sleeping next to him, but she is nowhere to be seen. He calls his wife's name out loud and later tried to call her on his phone, but can't her number. He contacts his company secretary, Ha-neul, who is also his friend of 20 years, and she tells him that his wife now lives somewhere else. Dong-hyeon listens to his friend's words and goes to see her wife. He is shocked to hear from Mi-na that they are already divorced. He also heard that he was trapped in 2018 after having a car accident five years ago, and he couldn't remember for more than a day after that. Ha-neul confessed that he is self-inflicted.