Season 1
2018 · 106 episodes · 123h 40m in all · 4.0/10
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.

Episodes
- 1
1. Episode 1
15 Sept 2018 · 70 min · 4.0/10
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
2. Episode 2
15 Sept 2018 · 70 min
- 3
3. Episode 3
16 Sept 2018 · 70 min
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
4. Episode 4
16 Sept 2018 · 70 min
- 5
5. Episode 5
22 Sept 2018 · 70 min
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
6. Episode 6
22 Sept 2018 · 70 min
- 7
7. Episode 7
23 Sept 2018 · 70 min
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
8. Episode 8
23 Sept 2018 · 70 min
- 9
9. Episode 9
29 Sept 2018 · 70 min
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
10. Episode 10
29 Sept 2018 · 70 min
- 11
11. Episode 11
30 Sept 2018 · 70 min
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
12. Episode 12
30 Sept 2018 · 70 min
- 13
13. Episode 13
6 Oct 2018 · 70 min
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
14. Episode 14
6 Oct 2018 · 70 min
- 15
15. Episode 15
7 Oct 2018 · 70 min
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
16. Episode 16
7 Oct 2018 · 70 min
- 17
17. Episode 17
13 Oct 2018 · 70 min
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
18. Episode 18
13 Oct 2018 · 70 min
- 19
19. Episode 19
14 Oct 2018 · 70 min
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
20. Episode 20
14 Oct 2018 · 70 min
- 21
21. Episode 21
20 Oct 2018 · 70 min
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
22. Episode 22
20 Oct 2018 · 70 min
- 23
23. Episode 23
21 Oct 2018 · 70 min
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
24. Episode 24
21 Oct 2018 · 70 min
- 25
25. Episode 25
27 Oct 2018 · 70 min
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
26. Episode 26
27 Oct 2018 · 70 min
- 27
27. Episode 27
28 Oct 2018 · 70 min
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
28. Episode 28
28 Oct 2018 · 70 min
- 29
29. Episode 29
3 Nov 2018 · 70 min
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
30. Episode 30
3 Nov 2018 · 70 min
- 31
31. Episode 31
4 Nov 2018 · 70 min
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
32. Episode 32
4 Nov 2018 · 70 min
- 33
33. Episode 33
10 Nov 2018 · 70 min
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
34. Episode 34
10 Nov 2018 · 70 min
- 35
35. Episode 35
11 Nov 2018 · 70 min
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
36. Episode 36
11 Nov 2018 · 70 min
- 37
37. Episode 37
17 Nov 2018 · 70 min
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
38. Episode 38
17 Nov 2018 · 70 min
- 39
39. Episode 39
18 Nov 2018 · 70 min
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
40. Episode 40
18 Nov 2018 · 70 min
- 41
41. Episode 41
24 Nov 2018 · 70 min
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
42. Episode 42
24 Nov 2018 · 70 min
- 43
43. Episode 43
25 Nov 2018 · 70 min
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
44. Episode 44
25 Nov 2018 · 70 min
- 45
45. Episode 45
1 Dec 2018 · 70 min
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
46. Episode 46
1 Dec 2018 · 70 min
- 47
47. Episode 47
2 Dec 2018 · 70 min
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
48. Episode 48
2 Dec 2018 · 70 min
- 49
49. Episode 49
8 Dec 2018 · 70 min
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
50. Episode 50
8 Dec 2018 · 70 min
- 51
51. Episode 51
9 Dec 2018 · 70 min
Do-ran is stunned to hear her biological father was present at her wedding — doubly so when Geum-ok points him out in a photo.
- 52
52. Episode 52
9 Dec 2018 · 70 min
- 53
53. Episode 53
15 Dec 2018 · 70 min
Learning Do-ran knows his identity, Su-il packs up to disappear. Eun-yeong is determined to make Do-ran's married life tough.
- 54
54. Episode 54
15 Dec 2018 · 70 min
- 55
55. Episode 55
16 Dec 2018 · 70 min
Geum-byeong and Su-il lend a hand when Do-ran's handed a ton of housework. Geum-byeong wanders to Do-ran's old house again.
- 56
56. Episode 56
16 Dec 2018 · 70 min
- 57
57. Episode 57
22 Dec 2018 · 70 min
Yang-ja shows up at the Wang residence to ask for money, vexing Eun-yeong. Mi-ran decides she wants to be with Go-rae.
- 58
58. Episode 58
22 Dec 2018 · 70 min
- 59
59. Episode 59
23 Dec 2018 · 70 min
Go-rae brings Mi-ran home to his mother and aunt, introducing her as his intended. Needing funds for the marriage, Yang-ja goes to Dae-ryuk.
- 60
60. Episode 60
23 Dec 2018 · 70 min
- 61
61. Episode 61
30 Dec 2018 · 70 min
When Go-rae refuses to give up his engagement, Da-ya tries to talk him out of it. Geum-byeong's jewelry goes missing, and Do-ran becomes a suspect.
- 62
62. Episode 62
30 Dec 2018 · 70 min
- 63
63. Episode 63
5 Jan 2019 · 70 min
Da-ya reports to Eun-yeong that she saw Do-ran visiting Su-il's room late at night, and grows increasingly resentful as her claims are dismissed.
- 64
64. Episode 64
5 Jan 2019 · 70 min
- 65
65. Episode 65
6 Jan 2019 · 70 min
The Wang family doesn't understand why Su-il wants to quit all of a sudden. Da-ya gets her hands on shocking DNA test results.
- 66
66. Episode 66
6 Jan 2019 · 70 min
- 67
67. Episode 67
12 Jan 2019 · 70 min
Insisting Su-il return to his job, Geum-byeong says she'll go on a hunger strike. Dae-ryuk follows Do-ran as she goes somewhere one night.
- 68
68. Episode 68
12 Jan 2019 · 70 min
- 69
69. Episode 69
13 Jan 2019 · 70 min
The unveiled secret about Do-ran and Su-il astounds Eun-yeong, who kicks Do-ran out of the house. Out on the street, Do-ran collapses.
- 70
70. Episode 70
13 Jan 2019 · 70 min
- 71
71. Episode 71
19 Jan 2019 · 70 min
Eun-yeong is thrown off guard when an attorney shows up with divorce papers. Hearing this, Do-ran rushes back to the house.
- 72
72. Episode 72
19 Jan 2019 · 70 min
- 73
73. Episode 73
20 Jan 2019 · 70 min
When a former fellow inmate of Su-il's reappears in his life, Do-ran wonders how they know each other. Hong-sil gives Mi-ran the cold shoulder.
- 74
74. Episode 74
20 Jan 2019 · 70 min
- 75
75. Episode 75
26 Jan 2019 · 70 min
After witnessing Su-il and Hong-ju together, Da-ya throws a fit in front of Do-ran. Yang-ja has a bone to pick with Hong-sil.
- 76
76. Episode 76
26 Jan 2019 · 70 min
- 77
77. Episode 77
27 Jan 2019 · 70 min
Reading letters written to her father, Do-ran learns what he's been hiding from her all along — as well as the crimes of his past.
- 78
78. Episode 78
27 Jan 2019 · 70 min
- 79
79. Episode 79
2 Feb 2019 · 70 min
Requesting divorce from Dae-ryuk, Do-ran takes her belongings out of the house. Yang-ja thinks she's the reason behind their separation.
- 80
80. Episode 80
2 Feb 2019 · 70 min
- 81
81. Episode 81
3 Feb 2019 · 70 min
Despite the truth about Do-ran's father, Dae-ryuk wants to stay together. Knowing that his past has hurt his daughter agonizes Su-il.
- 82
82. Episode 82
3 Feb 2019 · 70 min
- 83
83. Episode 83
9 Feb 2019 · 70 min
Finding out that Su-il was once incarcerated throws Hong-ju into a state of shock. Go-rae reveals to Mi-ran that his father was murdered.
- 84
84. Episode 84
9 Feb 2019 · 70 min
- 85
85. Episode 85
10 Feb 2019 · 70 min
When a horrified Hong-sil and Da-ya show up, Hong-ju tells them she wants to spend the rest of her life with Su-il.
- 86
86. Episode 86
10 Feb 2019 · 70 min
- 87
87. Episode 87
16 Feb 2019 · 70 min
Having uncovered the awful connection between Su-il and her father's death, Da-ya interrupts her aunt's wedding. Hong-sil is inconsolable.
- 88
88. Episode 88
16 Feb 2019 · 70 min
- 89
89. Episode 89
17 Feb 2019 · 70 min
Da-ya announces to the neighborhood that Su-il's bakery is run by a murderer. Jang So-yeong comes across Dae-ryuk at a bar.
- 90
90. Episode 90
17 Feb 2019 · 70 min
- 91
91. Episode 91
23 Feb 2019 · 70 min
Su-il asks around about a man who may be able to fill in a gap in his memories. Hong-sil comes by the bakery and causes a scene.
- 92
92. Episode 92
23 Feb 2019 · 70 min
- 93
93. Episode 93
24 Feb 2019 · 70 min
As Geum-byeong's condition worsens, a desperate Jin-kuk turns to Do-ran. Go-rae speaks to Su-il about his father's death.
- 94
94. Episode 94
24 Feb 2019 · 70 min
- 95
95. Episode 95
2 Mar 2019 · 70 min
While Dae-ryuk sets his sights on reuniting with Do-ran, Eun-yeong has other ideas. Go-rae deals with difficult news.
- 96
96. Episode 96
2 Mar 2019 · 70 min
- 97
97. Episode 97
3 Mar 2019 · 70 min
Hong-sil declines Su-il's offer to save her son's life, but with Go-rae's health deteriorating fast, Mi-ran urges her to reconsider.
- 98
98. Episode 98
3 Mar 2019 · 70 min
- 99
99. Episode 99
9 Mar 2019 · 70 min
With Su-il stuck in a coma, Dae-ryuk sticks by Do-ran's side against his mother's wishes. A mysterious man has something he needs to say to Su-il.
- 100
100. Episode 100
9 Mar 2019 · 70 min
- 101
101. Episode 101
10 Mar 2019 · 70 min
Hoping for answers, Do-ran and Dae-ryuk track down the mysterious man. While in Su-il's hospital room, Eun-yeong gives Do-ran a harsh warning.
- 102
102. Episode 102
10 Mar 2019 · 70 min
- 103
103. Episode 103
16 Mar 2019 · 70 min
Apologies are made. Su-il opposes Do-ran's return to the Wang family, afraid she will be treated with disrespect.
- 104
104. Episode 104
16 Mar 2019 · 70 min
- 105
105. Episode 105
17 Mar 2019 · 70 min
Dae-ryuk faces competition for Do-ran's affections. Da-ya gets unexpected help as she confronts her husband. Eun-yeong regrets her actions.
- 106
106. Episode 106
17 Mar 2019 · 70 min
My Only One Season 1: quick answers
How many episodes are in My Only One Season 1?
Season 1 of My Only One has 106 episodes, about 124 hours in total.
When did My Only One Season 1 come out?
Season 1 premiered on 15 Sept 2018.