Cha Joohyeok works at a bank and has been married to Seo Woojin for five years. When a strange incident happens one day, Joohyeok makes a decision that impacts his life and those around him in unexpected ways. Suddenly, the life he had with Woojin and his best friend, Yoon Jonghoo, is gone, and he is leading a very different life. How will his first love, Lee Hyewon, factor into his new life? And will it be possible to get his old life back?
Episodes
1: Episode 1
Aug 1, 2018
Cha Joohyeok and Seo Woojin lead an unhappy marriage as busy working parents. One day, Joohyeok is handed something special.
2: Episode 2
Aug 2, 2018
Joohyeok secretly buys a new video game console knowing that he's dead if Woojin finds out. Later, he returns to the mysterious toll booth.
3: Episode 3
Aug 8, 2018
Joohyeok wakes up in a different house and lying next to a different wife. Woojin picks up a stranger's phone and tries to return it.
4: Episode 4
Aug 9, 2018
When Woojin begins her new job at the bank, Joohyeok tries to have her transfer to another branch. Lee Hyewon's behavior upsets Joohyeok's parents.
5: Episode 5
Aug 15, 2018
Meeting Woojin's mother startles Joohyeok, who finally learns about her condition. At the bank, Woojin is put in a potentially dangerous situation.
6: Episode 6
Aug 16, 2018
After confessing his feelings to Woojin, Yoon Jonghoo volunteers to join her on an overnight work trip. Horrified, Joohyeok follows them.
7: Episode 7
Aug 22, 2018
A surprise visitor comes to the bank looking for Joohyeok. The three friends agree to go on a getaway together with their partners.
8: Episode 8
Aug 23, 2018
Joohyeok wants to return to the way it was, but it may be too late. When her mother goes missing, Woojin is overcome with worry.
9: Episode 9
Aug 29, 2018
Finding out about Joohyeok's lie infuriates Hyewon. Meanwhile, a malevolent post is written about Woojin on an online community.
10: Episode 10
Aug 30, 2018
After a fight with Joohyeok, Hyewon takes drastic action. Woojin and Jonghoo's co-workers find out about their relationship.
11: Episode 11
Sep 5, 2018
Woojin has something to say to Jonghoo, who later overhears a conversation that stuns him. Hyewon sees the real Jeong Hyeonsoo.
12: Episode 12
Sep 6, 2018
The truth about her unusual connection with Joohyeok becomes clear to Woojin. At work, a sudden emergency places Joohyeok at risk of losing his job.
13: Episode 13
Sep 11, 2018
Finding himself back in 2006, Joohyeok tries all he can to avoid Woojin. When they wake up in the present, life has changed again.
14: Episode 14
Sep 12, 2018
To Joohyeok's distress, Woojin returns to the bank. While she wants to make things work, he remains adamant about pushing her away.
15: Episode 15
Sep 19, 2018
While sneaking around their co-workers on a date, Woojin runs into her charming first love from her university days and makes Joohyeok jealous.
16: Episode 16
Sep 20, 2018
Three years later, Joohyeok and Woojin have come full circle — with revisions. Hyewon shows up at a university club reunion.
17: Episode 17
Sep 26, 2018
18: Episode 18
Sep 26, 2018
19: Episode 19
Sep 26, 2018
20: Episode 20
Sep 26, 2018
21: Episode 21
Sep 27, 2018
22: Episode 22
Sep 28, 2018
23: Episode 23
Sep 28, 2018
24: Episode 24
Sep 28, 2018
25: Episode 25
Sep 28, 2018
Originals for Netflix
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