Season 1

01 Episode 1 Episode 127th May 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. 02 Episode 2 Episode 228th May 2019 While Do-hun hides secrets from Su-jin, she considers an unorthodox idea to try and force him into a speedy divorce. 03 Episode 3 Episode 33rd June 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. 04 Episode 4 Episode 44th June 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. 05 Episode 5 Episode 510th June 2019 With his symptoms accelerating, Do-hun knows he must give Su-jin what she wants -- or risk her finding out about his illness. 06 Episode 6 Episode 611th June 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. 07 Episode 7 Episode 717th June 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. 08 Episode 8 Episode 818th June 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. 09 Episode 9 Episode 924th June 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. 10 Episode 10 Episode 1025th June 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. 11 Episode 11 Episode 111st July 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. 12 Episode 12 Episode 122nd July 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. 13 Episode 13 Episode 138th July 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. 14 Episode 14 Episode 149th July 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. 15 Episode 15 Episode 1515th July 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. 16 Episode 16 Episode 1616th July 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.