Having married young, when frustration with their lives make Choi Ban-du and Ma Jin-joo regret their marriage of 18 years, a strange occurrence has them traveling back in time to the day before they met and into their younger selves.
| Title | Time | |
|---|---|---|
| 1 | Marriage is Not the Happy Ending | 2017-10-13 |
| 2 | Memories are Remembered at Your Convenience | 2017-10-14 |
| 3 | Springtime Returns | 2017-10-20 |
| 4 | Again, My Heart Beats | 2017-10-21 |
| 5 | The Standard of First Love | 2017-10-27 |
| 6 | You Shine The Brightest When You Are Yourself | 2017-10-28 |
| 7 | Honesty Lies Between The Truth And Lies | 2017-11-03 |
| 8 | Your Weapon Against The World | 2017-11-04 |
| 9 | Those Times We Had Been In Love | 2017-11-10 |
| 10 | You Can’t Take Anything For Granted | 2017-11-11 |
| 11 | Knotted Hearts Grow When We Ignore And Neglect Them | 2017-11-17 |
| 12 | My Dear Comrade | 2017-11-18 |
