1x1 - Episode 1

May 27, 2019

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.

1x2 - Episode 2

May 28, 2019

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

1x3 - Episode 3

June 3, 2019

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.

1x4 - Episode 4

June 4, 2019

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

1x5 - Episode 5

June 10, 2019

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

1x6 - Episode 6

June 11, 2019

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.

1x7 - Episode 7

June 17, 2019

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.

1x8 - Episode 8

June 18, 2019

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.

1x9 - Episode 9

June 24, 2019

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

1x10 - Episode 10

June 25, 2019

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.

1x11 - Episode 11

July 1, 2019

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.

1x12 - Episode 12

July 2, 2019

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.

1x13 - Episode 13

July 8, 2019

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.

1x14 - Episode 14

July 9, 2019

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.

1x15 - Episode 15

July 15, 2019

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.

1x16 - Episode 16

July 16, 2019

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.

1x17 - Episode 17

July 22, 2019

1x18 - Episode 18

July 23, 2019

1x19 - Episode 19

July 29, 2019

1x20 - Episode 20

July 30, 2019

1x21 - Episode 21

August 5, 2019

1x23 - Episode 23

August 12, 2019

1x24 - Episode 24

August 13, 2019