1x1 - A Big Sister I Know, Kang Dan-i

January 26, 2019

On her wedding day, Kang Dan-i hides out in Cha Eun-ho’s car. After her divorce, she secretly cleans Eun-ho’s place while trying to restart her career.

1x2 - You Were Hiding In My House?

January 27, 2019

Eun-ho is dismayed to see Dan-i among the job applicants, but she resolves to rediscover what she wants to do with her life and move on from the past.

1x3 - People Calling Me By My Name

February 2, 2019

Eun-ho demands to know what’s going on with Dan-i, who runs into Ji Seo-jun while looking for a room to rent and later receives a kind gesture.

1x4 - Everybody Turn Their Backs On Me

February 3, 2019

Eun-ho can’t recall what he did the previous night. Dan-i stumbles across Seo-jun’s dog and agrees to have ramen with the new neighborhood friend.

1x5 - I'm Curious Too, About My Feelings

February 9, 2019

Dani works hard to study marketing and make up for the lost time. Eunho is always by her side encouraging and supporting her so she finds the courage to try again. They then celebrate her first month of employment. Their new book project faces an obstacle so they work hard to fix it.

1x6 - I Think I Already Knew It From The Beginning

February 10, 2019

When Haeri suddenly stopped by the house, Dani waited outside and accidentally met Seojun. The meeting between Dani, Eunho, and Seojun had both men bickering and Eunho all riled up after. The company goes to volunteer in an orphanage and their trip ends with a sad surprise. The new book is finally released and the whole company is waiting for the response.

1x7 - Tell Him I'm Waiting Here

February 16, 2019

Seojun asks Dani for a dinner date after work which had Eunho very annoyed. Ji Yul's mum falls for her dating lie and tries to intimidate park hoon. Eunho is ecstatic with how the dinner ended. The company directors have a big fight yet they come together especially facing sad times. Seojun tries to get close to Dani and Eunho is getting jealous.

1x8 - Moon is Beautiful, Snow is Beautiful

February 17, 2019

Seojun is trying to court Dani and his efforts give Eunho a hard time. The company receives a manuscript for a big new project that Eunho and Dani were instructed to work on. A club Night ends up wilder and with more surprises than planned. Dani starts to have strong suspensions about Eunho.

1x9 - That Old Book Is Like The First Time Reading

February 23, 2019

Eun-ho's reply thrusts Dan-i into a daze, as it contradicts her memory of recent events, and she muses how a dog-eared book can suddenly seem new.

1x10 - There Are Days Like This

February 24, 2019

Dan-i's confusion becomes worry when Eun-ho doesn't answer her texts or come home. When he doesn't appear at the office, she's at a loss for what to do.

1x11 - We Have To Be Together, Why Do You Want To Break Up?

March 2, 2019

Dan-i tries to downplay the episode with Eun-ho, but he sees their situation differently. When the book concert hits a snag, her past comes in handy.

1x12 - How About A Title For Your First Date?

March 3, 2019

Dan-i revels in her latest feat at work and celebrates with Eun-ho, but he's given a tough order to execute after questions about her résumé emerge.

1x13 - Did It Hurt Because Of Me?

March 9, 2019

Eun-ho faces hurdles while making job inquiries for Dan-i and realizes how impossible it is for women trying to return to the workplace after a hiatus.

1x14 - You Know Me, Right?

March 10, 2019

An unexpected source reaches out to help Dan-i land a new job after she tenders her resignation. Dan-i learns that Eun-ho's been hiding something.

1x15 - I Should Have Known If You Didn't Say Anything...

March 16, 2019

Eun-ho wants Dan-i to say he did the right thing, and tries to figure out who's behind a mysterious manuscript. But he isn't the only one investigating.

1x16 - As If I Had Met You In a Book and Received Warm Comfort...

March 17, 2019

Eun-ho gets a call from Gapyeong and is urged to live his life so that he may be like a book in someone’s life. Dan-i focuses on a cherished tome.

Lee Jong-suk

Cha Eun-ho

Lee Na-young

Kang Dan-yi

Jung Yoo-jin

Song Hae-rin

Wi Ha-jun

Ji Seo-joon

Kim Tae-woo

Kim Jae-min

Kim Yu-mi

Ko Yoo-sun

Kim Sun-young

Seo Young-a

Jo Han-chul

Bong Ji-hong

Kang Ki-doong

Park Hoon

Park Gyu-young

Oh Ji-yool

Oh Eui-sik

Hong Dong-min

Lee Kwan-hun

Lee Seung-Jin

Choi Seung-yoon

Bae Kwang-soo

Lee Ji-won

Hong Jae-hee

Choi Da-in

Young Kang Dan-yi

Lee Ji-ha

Hae-rin's Mother

Lee Seo-hwan

Hae-rin's Father

Lee Ha-eun

Chae Song-yi