A woman's life gets twisted one day because of her biological father who shows up after 28 years of absence. He had been thoroughly hiding his identity, afraid that he might be an obstacle in his daughter's life. The father and daughter meet the "only ones" in their lives and put back together the pieces of their broken hearts.
Top Billed Cast
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Choi Soo-jong
Kang Soo-Il (106 episodes)
Uie
Kim Do-Ran (106 episodes)
Lee Jang-woo
Wang Dae-Ryook (106 episodes)
Yoon Jin-yi
Jang Da-Ya (106 episodes)
Jeong Eun-woo
Wang Yi-Ryook (106 episodes)
Na Hye-mi
Kim Mi-Ran (106 episodes)
Park Sung-hoon
Jang Go-Rae (106 episodes)
Koh Woo-ri
So Young-Bae (106 episodes)
Lee Du-il
Kim Dong-Cheol (106 episodes)
Media
![My Only One | 하나뿐인 내편 [Preview]](https://i.ytimg.com/vi/zFx4g9J6vYo/hqdefault.jpg)
![My Only One | 하나뿐인 내편 [Teaser]](https://i.ytimg.com/vi/clhBFDiFaeE/hqdefault.jpg)
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