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Poster of My Only One

TV series 2018–2019 1h 10m 1 season

My Only One

하나뿐인 내편

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Checked October 11, 2026

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Overview

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.

Cast

Seasons and episodes

1 season106 episodes

Season 1

2018106 episodes

Life turns upside down for a bright young woman when her biological father, carrying a heavy past, appears in front of her after 28 years of absence.

  1. Episode 1

    1h 10m

    When Kang Su-il is sentenced to prison, Kim Dong-cheol offers to raise his infant daughter as his own. Nearly three decades later, Su-il walks free.

  2. Episode 2

    1h 10m

  3. Episode 3

    1h 10m

    For her sister, Kim Do-ran offers to give up her life savings to So Yang-ja. Dong-cheol bumps into someone he must avoid at all costs.

  4. Episode 4

    1h 10m

  5. Episode 5

    1h 10m

    When photos from his missing USB drive are leaked online, Wang Dae-ryuk suspects Do-ran. Su-il starts working for the Wang household.

  6. Episode 6

    1h 10m

  7. Episode 7

    1h 10m

    At a job interview, Do-ran has another unpleasant run-in with Dae-ryuk. Oh Eun-yeong opposes her son's marriage to Na Hong-sil's daughter.

  8. Episode 8

    1h 10m

  9. Episode 9

    1h 10m

    On her way to the final round of her job interview, Do-ran gets held up on the street by an older woman who seems to think she's someone else.

  10. Episode 10

    1h 10m

  11. Episode 11

    1h 10m

    Meeting Do-ran as the Wang family's chauffeur, Su-il embraces the opportunity to speak to her. Dae-ryuk keeps up what he sees as a harmless joke.

  12. Episode 12

    1h 10m

  13. Episode 13

    1h 10m

    Jang Da-ya digs up information on her father's murder case. Su-il resolves to stay. Dae-ryuk tries to apologize to Do-ran.

  14. Episode 14

    1h 10m

  15. Episode 15

    1h 10m

    Dae-ryuk and Do-ran do their best playing games at the company retreat. After Da-ya and Wang I-ryuk's wedding, Park Geum-byeong goes missing.

  16. Episode 16

    1h 10m

  17. Episode 17

    1h 10m

    When Do-ran's threatened over her mother's debt, Su-il pledges to take care of it himself. Worried about Do-ran, Dae-ryuk goes to her house.

  18. Episode 18

    1h 10m

  19. Episode 19

    1h 10m

    Upset about her mother and sister, Do-ran opens up to Su-il. Later, she heads back to the Wang residence to calm down Park Geum-byeong.

  20. Episode 20

    1h 10m

  21. Episode 21

    1h 10m

    Do-ran considers an unusual request from Eun-yeong. In an attempt to quash his feelings for Do-ran, Dae-ryuk tries dating another woman.

  22. Episode 22

    1h 10m

  23. Episode 23

    1h 10m

    Do-ran, Su-il and Dae-ryuk wind up going to an amusement park with Geum-byeong. Yang-ja gets the wrong impression of Su-il.

  24. Episode 24

    1h 10m

  25. Episode 25

    1h 10m

    Su-il's refusal to help him win over Do-ran disappoints Dae-ryuk. Inside the Wang residence, Do-ran runs into trouble with Da-ya.

  26. Episode 26

    1h 10m

  27. Episode 27

    1h 10m

    Following the competition, Do-ran is placed on Dae-ryuk's team. Da-ya is ordered to apologize. Na Hong-ju meets Su-il at church.

  28. Episode 28

    1h 10m

  29. Episode 29

    1h 10m

    Now that Geum-byeong has a caretaker, Da-ya wants Do-ran to stop coming around. Do-ran and Dae-ryuk officially go on a date.

  30. Episode 30

    1h 10m

  31. Episode 31

    1h 10m

    Concerned about his mother, Wang Jin-kuk requests Do-ran be brought back. Kim Mi-ran suffers a blow to her ego at a get-together with friends.

  32. Episode 32

    1h 10m

  33. Episode 33

    1h 10m

    Hong-ju's heart is stolen when Su-il chases down a pickpocket for her. Su-il decides to support Dae-ryuk in his pursuit of Do-ran.

  34. Episode 34

    1h 10m

  35. Episode 35

    1h 10m

    Hong-sil panics when she realizes Su-il is the man her sister has fallen for. Da-ya's jealousy grows when she sees Do-ran's new necklace.

  36. Episode 36

    1h 10m

  37. Episode 37

    1h 10m

    Da-ya finds out about Do-ran and Dae-ryuk's relationship. Meanwhile, Dae-ryuk tells Do-ran he wants to take things to the next level.

  38. Episode 38

    1h 10m

  39. Episode 39

    1h 10m

    Eun-yeong wants Do-ran to end everything and get as far away as possible from her son. Hurt, Do-ran comes to a heartbreaking decision.

  40. Episode 40

    1h 10m

  41. Episode 41

    1h 10m

    Dae-ryuk learns the real reason behind Do-ran's actions. Eun-yeong and Da-ya attempt to give Geum-byeong a convincing stand-in for Do-ran.

  42. Episode 42

    1h 10m

  43. Episode 43

    1h 10m

    Dae-ryuk faces off against his mother, who is adamant that he cannot marry Do-ran. Meanwhile, Jin-kuk says he approves of their union.

  44. Episode 44

    1h 10m

  45. Episode 45

    1h 10m

    Do-ran's background as an orphan becomes an obstacle for her marriage. Geum-byeong sets out to make sure Do-ran and Dae-ryuk can remain together.

  46. Episode 46

    1h 10m

  47. Episode 47

    1h 10m

    At the wedding, Su-il is spotted by someone who knows his true identity. Da-ya discovers an interesting document in Geum-byeong's room.

  48. Episode 48

    1h 10m

  49. Episode 49

    1h 10m

    A household staff finds Do-ran's photo inside Su-il's room. Mi-ran heads to a blind date, all the while moping over Jang Go-rae.

  50. Episode 50

    1h 10m

  51. Show more episodes 50 of 106

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