The One and Only poster
Where to stream

The One and Only

6.820211 seasonTV SeriesDrama

A contract killer gets entangled with a murder case and three terminally ill women who have each decided to end the life of one person before they die.

DirectorOh Hyun-jong
WriterMoon Jung-min

Where to watch

Rakuten VikiRakuten Viki
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
The One and Only
Dec 20, 2021
E2
Who Are We and Who Do We Become
Dec 21, 2021
E3
The Child Inside
Dec 27, 2021
E4
Hands
Dec 28, 2021
E5
One Person
Jan 3, 2022
E6
Face of Love
Jan 4, 2022
E7
Greetings
Jan 10, 2022
E8
Picnic
Jan 11, 2022
E9
Three Women
Jan 17, 2022
E10
Sacrifice
Jan 18, 2022
E11
Miracle
Jan 24, 2022
E12
Anger Becomes an Infection
Jan 25, 2022
E13
Hope
Jan 31, 2022
E14
Newfound Happiness
Feb 1, 2022
E15
Heaven's Color
Feb 8, 2022
E16
Memory
Feb 8, 2022

Cast · Directed by Oh Hyun-jong

AEAhn Eun-jin
Ahn Eun-jin
Pyo In-sook
KKKim Kyung-nam
Kim Kyung-nam
Min Woo-cheon
MSMoon Seong-hyun
Moon Seong-hyun
Min Woo-Cheon (teen)
KYKang Ye-won
Kang Ye-won
Kang Se-yeon
JJOY
JOY
Sung Mi-do
GDGoh Doo-shim
Goh Doo-shim
Yook Sung-ja
JHJang Hyun-sung
Jang Hyun-sung
Pyo Gang-Sun
SYSeo Yeon-woo
Seo Yeon-woo
Ha San-A
ACAhn Chang-hwan
Ahn Chang-hwan
Shin Tae-il
CYChoi Young-woo
Choi Young-woo
Park Seung Seon
HKHan Kyun-yu
Han Kyun-yu
Gu Ji-pyo
DSDo Sang-woo
Do Sang-woo
Cho Shi-young

More from Ahn Eun-jin · Lead actress

A Love Other Than Yours
A Love Other Than Yours
2026 · 6.3
Hospital Playlist
Hospital Playlist
2020 · 8.6
My Dearest
My Dearest
2023 · 8.4
Genie, Make a Wish
Genie, Make a Wish
2025 · 7.9
Kingdom
Kingdom
2019 · 8.2
Resident Playbook
Resident Playbook
2025 · 8.1
The Good Bad Mother
The Good Bad Mother
2023 · 8.9
Dynamite Kiss
Dynamite Kiss
2025 · 8.2
Strangers from Hell
Strangers from Hell
2019 · 8.0
Goodbye Earth
Goodbye Earth
2024 · 6.0
See all fromAhn Eun-jin

More from Kim Kyung-nam · Co-star actor

The King: Eternal Monarch
The King: Eternal Monarch
2020 · 8.2
Phantom Lawyer
Phantom Lawyer
2026 · 7.8
Prison Playbook
Prison Playbook
2017 · 8.2
Where Stars Land
Where Stars Land
2018 · 7.4
Connection
Connection
2024 · 7.7
Come and Hug Me
Come and Hug Me
2018 · 7.2
Law and the City
Law and the City
2025 · 7.7
Defendant
Defendant
2017 · 8.1
Revolutionary Sisters
Revolutionary Sisters
2021 · 6.0
Special Labor Inspector, Mr. Jo
Special Labor Inspector, Mr. Jo
2019 · 7.4
See all fromKim Kyung-nam

More from Oh Hyun-jong · Director

Weightlifting Fairy Kim Bok-joo
Weightlifting Fairy Kim Bok-joo
2016 · 8.5
Doctor Slump
Doctor Slump
2024 · 8.1
Find Me in Your Memory
Find Me in Your Memory
2020 · 8.0
A Daughter Just Like You
A Daughter Just Like You
2015 · 5.0
I Love You, Don't Cry
I Love You, Don't Cry
2008 · 4.0
Time Slip Dr. Jin
Time Slip Dr. Jin
2012 · 5.2
Two Cops
Two Cops
2017 · 7.4
A Thousand Kisses
A Thousand Kisses
2011 · 4.4
7th Grade Civil Servant
7th Grade Civil Servant
2013 · 7.1
A New Leaf
A New Leaf
2014 · 7.2
See all fromOh Hyun-jong

More like this

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2022 · 6.1
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The Bequeathed
2024 · 7.1
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2018 · 7.2
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The Scandal
2026 · 6.7
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2021 · 7.9
True Beauty
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2020 · 8.3
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2026 · 9.4
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2022 · 8.7
Alchemy of Souls
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2026 · 8.8
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The One and Only — streaming FAQ

Which OTT platform streams The One and Only?

The One and Only is streaming on Rakuten Viki in United States. It's not currently on Netflix.

Is The One and Only on Netflix?

No, The One and Only is not on Netflix in United States as of October 2026. It's currently on Rakuten Viki.

Is The One and Only on Amazon Prime Video?

No, The One and Only isn't on Amazon Prime Video in United States right now. It's on Rakuten Viki instead.

Where can I watch The One and Only for free?

The One and Only is available on Rakuten Viki in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in The One and Only?

The One and Only has 1 season in total (16 episodes). The series concluded in 2022.

Are all episodes of The One and Only out yet?

Yes — all 16 episodes across 1 season of The One and Only are out and available to stream.

Is there a Season 2 of The One and Only?

No — The One and Only ended after 1 season, so there is no Season 2.