S01E011:10:201. Episode 1When 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.
My Only One Season 1 – Watch online
106 episodes · since September 15, 2018
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.
S01E011:10:201. Episode 1When 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.S01E021:10:262. Episode 2S01E031:10:363. Episode 3For 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.S01E041:10:234. Episode 4S01E051:10:535. Episode 5When photos from his missing USB drive are leaked online, Wang Dae-ryuk suspects Do-ran. Su-il starts working for the Wang household.S01E061:10:476. Episode 6S01E071:10:257. Episode 7At 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.S01E081:10:408. Episode 8S01E091:10:509. Episode 9On 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.S01E101:10:1910. Episode 10S01E111:10:4911. Episode 11Meeting 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.S01E121:10:1112. Episode 12S01E131:10:2513. Episode 13Jang Da-ya digs up information on her father's murder case. Su-il resolves to stay. Dae-ryuk tries to apologize to Do-ran.S01E141:10:3014. Episode 14S01E151:10:3215. Episode 15Dae-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.S01E161:10:3416. Episode 16S01E171:10:1217. Episode 17When 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.S01E181:10:0118. Episode 18S01E191:10:3519. Episode 19Upset 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.S01E201:10:5620. Episode 20S01E211:10:5021. Episode 21Do-ran considers an unusual request from Eun-yeong. In an attempt to quash his feelings for Do-ran, Dae-ryuk tries dating another woman.S01E221:10:3222. Episode 22S01E231:10:5423. Episode 23Do-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.S01E241:10:3724. Episode 24S01E251:10:4725. Episode 25Su-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.S01E261:10:1326. Episode 26S01E271:10:3127. Episode 27Following 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.S01E281:10:1428. Episode 28S01E291:10:0029. Episode 29Now 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.S01E301:10:5330. Episode 30S01E311:10:4731. Episode 31Concerned 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.S01E321:10:0132. Episode 32S01E331:10:2333. Episode 33Hong-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.S01E341:10:2034. Episode 34S01E351:10:2235. Episode 35Hong-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.S01E361:10:0036. Episode 36S01E371:10:1037. Episode 37Da-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.S01E381:10:1538. Episode 38S01E391:10:4939. Episode 39Eun-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.S01E401:10:2640. Episode 40S01E411:10:3241. Episode 41Dae-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.S01E421:10:5042. Episode 42S01E431:10:2043. Episode 43Dae-ryuk faces off against his mother, who is adamant that he cannot marry Do-ran. Meanwhile, Jin-kuk says he approves of their union.S01E441:10:3944. Episode 44S01E451:10:2545. Episode 45Do-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.S01E461:10:5946. Episode 46S01E471:10:0147. Episode 47At the wedding, Su-il is spotted by someone who knows his true identity. Da-ya discovers an interesting document in Geum-byeong's room.S01E481:10:5248. Episode 48S01E491:10:1449. Episode 49A 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.S01E501:10:3550. Episode 50S01E511:10:4551. Episode 51Do-ran is stunned to hear her biological father was present at her wedding — doubly so when Geum-ok points him out in a photo.S01E521:10:5952. Episode 52S01E531:10:3353. Episode 53Learning Do-ran knows his identity, Su-il packs up to disappear. Eun-yeong is determined to make Do-ran's married life tough.S01E541:10:0654. Episode 54S01E551:10:4855. Episode 55Geum-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.S01E561:10:5456. Episode 56S01E571:10:5257. Episode 57Yang-ja shows up at the Wang residence to ask for money, vexing Eun-yeong. Mi-ran decides she wants to be with Go-rae.S01E581:10:3358. Episode 58S01E591:10:0359. Episode 59Go-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.S01E601:10:0460. Episode 60S01E611:10:3061. Episode 61When 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.S01E621:10:2062. Episode 62S01E631:10:1063. Episode 63Da-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.S01E641:10:0964. Episode 64S01E651:10:2365. Episode 65The 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.S01E661:10:4566. Episode 66S01E671:10:5967. Episode 67Insisting 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.S01E681:10:0668. Episode 68S01E691:10:4069. Episode 69The 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.S01E701:10:1770. Episode 70S01E711:10:4371. Episode 71Eun-yeong is thrown off guard when an attorney shows up with divorce papers. Hearing this, Do-ran rushes back to the house.S01E721:10:3372. Episode 72S01E731:10:2373. Episode 73When 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.S01E741:10:4074. Episode 74S01E751:10:4675. Episode 75After 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.S01E761:10:4476. Episode 76S01E771:10:5077. Episode 77Reading 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.S01E781:10:5578. Episode 78S01E791:10:1779. Episode 79Requesting divorce from Dae-ryuk, Do-ran takes her belongings out of the house. Yang-ja thinks she's the reason behind their separation.S01E801:10:2680. Episode 80S01E811:10:1681. Episode 81Despite the truth about Do-ran's father, Dae-ryuk wants to stay together. Knowing that his past has hurt his daughter agonizes Su-il.S01E821:10:3882. Episode 82S01E831:10:2883. Episode 83Finding 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.S01E841:10:5984. Episode 84S01E851:10:2585. Episode 85When 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.S01E861:10:5586. Episode 86S01E871:10:1387. Episode 87Having uncovered the awful connection between Su-il and her father's death, Da-ya interrupts her aunt's wedding. Hong-sil is inconsolable.S01E881:10:2088. Episode 88S01E891:10:0689. Episode 89Da-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.S01E901:10:2390. Episode 90S01E911:10:1391. Episode 91Su-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.S01E921:10:0792. Episode 92S01E931:10:5793. Episode 93As Geum-byeong's condition worsens, a desperate Jin-kuk turns to Do-ran. Go-rae speaks to Su-il about his father's death.S01E941:10:1094. Episode 94S01E951:10:3695. Episode 95While Dae-ryuk sets his sights on reuniting with Do-ran, Eun-yeong has other ideas. Go-rae deals with difficult news.S01E961:10:0696. Episode 96S01E971:10:2497. Episode 97Hong-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.S01E981:10:0998. Episode 98S01E991:10:0799. Episode 99With 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.S01E1001:10:31100. Episode 100S01E1011:10:13101. Episode 101Hoping 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.S01E1021:10:43102. Episode 102S01E1031:10:41103. Episode 103Apologies are made. Su-il opposes Do-ran's return to the Wang family, afraid she will be treated with disrespect.S01E1041:10:58104. Episode 104S01E1051:10:04105. Episode 105Dae-ryuk faces competition for Do-ran's affections. Da-ya gets unexpected help as she confronts her husband. Eun-yeong regrets her actions.S01E1061:10:26106. Episode 106Where to stream My Only One Season 1
Subscription
Kocowa
KocowaAvailability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
About season 1
Season 1 of My Only One has 106 episodes, aired from September 15, 2018 to March 17, 2019 on KBS2. Episodes run 70 minutes on average.
Frequently asked questions about My Only One Season 1
How many episodes are in My Only One Season 1?
My Only One Season 1 has 106 episodes.
When did My Only One Season 1 air?
The first episode aired on September 15, 2018 and the last one on March 17, 2019.
Where to watch My Only One Season 1 online?
In the United States, My Only One is available with a subscription on Kocowa (source: JustWatch via TMDB, offers subject to change). Availability of each season depends on the platform.