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- Episode 17
Episode 17
My Only One - S1 - E17
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.
My Only One: Season 1 - 67 Episode s
1x1 - Episode 1
September 15, 2018
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.
1x2 - Episode 2
September 15, 2018
1x3 - Episode 3
September 16, 2018
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.
1x4 - Episode 4
September 16, 2018
1x5 - Episode 5
September 22, 2018
When photos from his missing USB drive are leaked online, Wang Dae-ryuk suspects Do-ran. Su-il starts working for the Wang household.
1x6 - Episode 6
September 22, 2018
1x7 - Episode 7
September 23, 2018
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.
1x8 - Episode 8
September 23, 2018
1x9 - Episode 9
September 29, 2018
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.
1x10 - Episode 10
September 29, 2018
1x11 - Episode 11
September 30, 2018
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.
1x12 - Episode 12
September 30, 2018
1x13 - Episode 13
October 6, 2018
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.
1x14 - Episode 14
October 6, 2018
1x15 - Episode 15
October 7, 2018
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.
1x16 - Episode 16
October 7, 2018
1x17 - Episode 17
October 13, 2018
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.
1x18 - Episode 18
October 13, 2018
1x19 - Episode 19
October 14, 2018
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.
1x20 - Episode 20
October 14, 2018
1x21 - Episode 21
October 20, 2018
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.
1x22 - Episode 22
October 20, 2018
1x23 - Episode 23
October 21, 2018
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.
1x24 - Episode 24
October 21, 2018
1x25 - Episode 25
October 27, 2018
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.
1x26 - Episode 26
October 27, 2018
1x27 - Episode 27
October 28, 2018
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.
1x28 - Episode 28
October 28, 2018
1x29 - Episode 29
November 3, 2018
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.
1x30 - Episode 30
November 3, 2018
1x31 - Episode 31
November 4, 2018
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.
1x32 - Episode 32
November 4, 2018
1x33 - Episode 33
November 10, 2018
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.
1x34 - Episode 34
November 10, 2018
1x35 - Episode 35
November 11, 2018
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.
1x36 - Episode 36
November 11, 2018
1x37 - Episode 37
November 17, 2018
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.
1x38 - Episode 38
November 17, 2018
1x39 - Episode 39
November 18, 2018
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.
1x40 - Episode 40
November 18, 2018
1x41 - Episode 41
November 24, 2018
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.
1x42 - Episode 42
November 24, 2018
1x43 - Episode 43
November 25, 2018
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.
1x44 - Episode 44
November 25, 2018
1x45 - Episode 45
December 1, 2018
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.
1x46 - Episode 46
December 1, 2018
1x47 - Episode 47
December 2, 2018
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.
1x48 - Episode 48
December 2, 2018
1x49 - Episode 49
December 8, 2018
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.
1x50 - Episode 50
December 8, 2018
1x51 - Episode 51
December 9, 2018
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.
1x52 - Episode 52
December 9, 2018
1x53 - Episode 53
December 15, 2018
Learning Do-ran knows his identity, Su-il packs up to disappear. Eun-yeong is determined to make Do-ran's married life tough.
1x54 - Episode 54
December 15, 2018
1x55 - Episode 55
December 16, 2018
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.
1x56 - Episode 56
December 16, 2018
1x57 - Episode 57
December 22, 2018
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.
1x58 - Episode 58
December 22, 2018
1x59 - Episode 59
December 23, 2018
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.
1x60 - Episode 60
December 23, 2018
1x61 - Episode 61
December 30, 2018
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.
1x62 - Episode 62
December 30, 2018
1x63 - Episode 63
January 5, 2019
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.
1x64 - Episode 64
January 5, 2019
1x65 - Episode 65
January 6, 2019
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.
1x66 - Episode 66
January 6, 2019
1x67 - Episode 67
January 12, 2019
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.