Season 1

When he's diagnosed with Alzheimer's disease, a man divorces the love of his life without telling her why -- but runs into her again years later.

1. 

   1. Episode 1

   2019-05-27 · 65m

   Lee Su-jin's joyless marriage to Kwon Do-hun -- with whom she was once deeply in love -- reaches a breaking point when he refuses to have a baby.

2. 

   2. Episode 2

   2019-05-28 · 63m

   While Do-hun hides secrets from Su-jin, she considers an unorthodox idea to try and force him into a speedy divorce.

3. 

   3. Episode 3

   2019-06-03 · 60m

   Brian Jeong and Son Ye-rim cook up a scenario for Su-jin's divorce project, and Do-hun spends time with his mother-in-law.

4. 

   4. Episode 4

   2019-06-04 · 61m

   Moving her plan forward, Su-jin gets Do-hun to agree on a fishing trip with her. Brian stands up Ye-rim for dinner.

5. 

   5. Episode 5

   2019-06-10 · 66m

   With his symptoms accelerating, Do-hun knows he must give Su-jin what she wants -- or risk her finding out about his illness.

6. 

   6. Episode 6

   2019-06-11 · 62m

   Forgetting he needs to stay away, Do-hun heads to Kwon A-ram's kindergarten. Mun Kyeong-hun carves out a place in Su-jin's life.

7. 

   7. Episode 7

   2019-06-17 · 61m

   Su-jin worries that Do-hun has reappeared to take A-ram away from her. Meanwhile, Brian and Ye-rim come across each other on a film set.

8. 

   8. Episode 8

   2019-06-18 · 62m

   For the first time in years, Do-hun and Su-jin come face-to-face. Choe Hang-seo and Baek Su-a throw a wedding celebration. Brian meets Ye-rim's fiancé.

9. 

   9. Episode 9

   2019-06-24 · 60m

   Do-hun's proposal for launching a sugar-free chocolate bar falls through. Su-jin locks herself away in her apartment, worrying her friends.

10. 

    10. Episode 10

    2019-06-25 · 61m

    Jo Mi-kyeong and her mother disapprove, but Su-jin decides she wants to be by Do-hun's side -- and brings A-ram to him.

11. 

    11. Episode 11

    2019-07-01 · 61m

    Do-hun remembers how he fell in love with Su-jin, who packs up his bags to take him back to the house. Ye-rim makes her choice about Brian.

12. 

    12. Episode 12

    2019-07-02 · 62m

    Losing more of himself each day, Do-hun works on creating good memories with A-ram, and Brian offers to film a video to preserve them.

13. 

    13. Episode 13

    2019-07-08 · 62m

    When Do-hun's condition reaches new lows, Su-jin recounts their story to him. The patent for his chocolate bar is found to have been stolen.

14. 

    14. Episode 14

    2019-07-09 · 57m

    Su-jin plays along with Do-hun, who thinks he is in his 20s -- but runs into trouble when he gets jealous of Kyeong-hun.

15. 

    15. Episode 15

    2019-07-15 · 61m

    Do-hun's Alzheimer's disease progresses, erasing even Hang-seo. A-ram wonders why they can't play together -- and Su-jin must explain why.

16. 

    16. Episode 16

    2019-07-16 · 65m

    To A-ram's delight, Do-hun attends her kindergarten event, and the family goes on its first vacation. The chocolate bar relaunches under a new name.