S01E01 Mi-ji, Yet Unknown
Lee Ho-su returns home and runs into Yu Mi-ji, who's flailing through life. He convinces her to visit her twin, Yu Mi-rae, who is quietly suffering.
Our Unwritten Seoul
S01E11: At the End of the Sentence
Ho-su's health takes a sudden turn, forcing him to reevaluate his relationship with Mi-ji. Meanwhile, Mi-rae takes a bold step toward the future.
Overview
Twin sisters, whose similarities end with their looks, swap identities amid personal struggles — embarking on a journey to rediscover love and life.
Episodes
S01E02 Review and Reassess
Mi-ji finds Mi-rae's corporate job dull — until she accepts a difficult project. Meanwhile, Mi-rae coasts through farm life, butting heads with her boss.
S01E03 Knock, Knock! Please Open Your Heart
Mi-ji stops at nothing to persuade the restaurant owner to sell her shop. Meanwhile, Ho-su deals with being iced out after angering his boss.
S01E04 My Nemesis
Deflated by unemployment, Ho-su searches for his next move. Meanwhile, Mi-ji sets up a crucial meeting between her company and the landlord.
S01E05 Alone with You
Ho-su's sudden revelation leaves Mi-ji unsure about their dynamic. Meanwhile, Mi-rae struggles over swirling rumors about her and Han Se-jin.
S01E06 The Silent, Ever-Present Fool
Park Ji-yun increasingly pursues Ho-su, who's still processing Mi-ji's drunken confession. After abruptly quitting her job, Mi-rae becomes despondent.
S01E07 A Child Underneath It All
Ho-su makes a surprise visit to Mi-rae, demanding answers. But when an incident draws Mi-ji back to their hometown, their web of lies deepens.
S01E08 An Unconventional Whole
Now aware of each other's feelings, Mi-ji and Ho-su begin an awkward romance. Later, a shocking appearance at work leaves Mi-ji stunned.
S01E09 Back Again, Once More
Mi-ji and Mi-rae swap back places—forcing Mi-ji to temporarily move in with Ho-su. Mi-rae returns to her company, only to confront her past yet again.
S01E10 Reading You
With her motivation reignited, Mi-rae decides to fight back. While job hunting in Seoul, Mi-ji and Ho-su uncover the truth about Kim Ro-sa.
S01E11 At the End of the Sentence
Ho-su's health takes a sudden turn, forcing him to reevaluate his relationship with Mi-ji. Meanwhile, Mi-rae takes a bold step toward the future.
S01E12 The End is a New Beginning
Mi-ji and Mi-rae make it through a difficult chapter, finding new purpose on the other side—and confronting new challenges, both alone and together.
Cast
Park Bo-young
Yoo Mi-ji / Yoo Mi-rae
Jinyoung
Lee Ho-su
Ryu Kyung-soo
Han Se-jin
Jang Young-nam
Kim Ok-hee
Kim Sun-young
Yeom Bun-hong
Cha Mi-kyeong
Kang Wol-oon
Won Mi-kyung
Kim Ro-sa
Lim Cheol-soo
Lee Choong-gu
Lee Jae-in
Teen Yoo Mi-ji / Yoo Mi-rae
Park Yoon-ho
Teen Lee Ho-su
Moon Dong-hyeok
Song Kyeong-gu
Yoo Yu-jin
Park Ji-yun
