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Series

Start-Up

스타트업
“The place where our story ignites.”
2020EndedSouth Korea72 min

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DramaComedylove trianglecompetitionartificial intelligence (AI)technology
+10
rom-comunrequited lovesibling rivalrybusiness startuplyinginspiringgrandmother-granddaughter relationshipcharmingapp developerromantic

What's it about?

Young entrepreneurs aspiring to launch virtual dreams into reality compete for success and love in the cutthroat world of Korea's high-tech industry.

Where to stream?

2 offers
Netflix
Subscription
Checked 09/16/2026 · United States catalog · account required.
Available
Amazon Video
Buy
Checked 09/29/2026 · United States catalog · account required.
Available

Availability data partly provided by JustWatch via TMDB.

Trailers & videos

Start-Up | Main Trailer | Netflix — Trailer · English · official · YouTube
Start-Up | Official Trailer | Netflix [ENG SUB]
Trailer · English · official · YouTube
Start-Up | Official Teaser | Netflix
Teaser · English · official · YouTube
Start-Up | Official Teaser | Netflix [ENG SUB]
Teaser · English · official · YouTube

4 videos — they play on each provider's site

Cast

Portrait: Bae Suzy
Bae Suzy
수지
Seo Dal-mi
16 episodes
Portrait: Nam Joo-hyuk
Nam Joo-hyuk
남주혁
Nam Do-san
16 episodes
Portrait: Kim Seon-ho
Kim Seon-ho
김선호
Han Ji-pyeong
16 episodes
Portrait: Kang Han-na
Kang Han-na
강한나
Won In-jae
16 episodes
Portrait: Kim Hae-sook
Kim Hae-sook
김해숙
Choi Won-deok
16 episodes
Portrait: Kim Do-wan
Kim Do-wan
김도완
Kim Yong-san
16 episodes
Portrait: Kim Won-hae
Kim Won-hae
김원해
Nam Seong-hwan
16 episodes
Portrait: Song Seon-mi
Song Seon-mi
송선미
Cha Ah-hyun
16 episodes
Portrait: Yoo Su-bin
Yoo Su-bin
유수빈
Lee Chul-san
16 episodes
Portrait: Seo Yi-sook
Seo Yi-sook
서이숙
Yoon Seon-hak
16 episodes
Portrait: Kim Hee-jung
Kim Hee-jung
김희정
Park Geum-jeong
16 episodes
Portrait: Stephanie Lee
Stephanie Lee
스테파니 리
Jeong Sa-ha
16 episodes
Portrait: Cho Tae-kwan
Cho Tae-kwan
조태관
Alex Kwon
16 episodes
Portrait: Uhm Hyo-seop
Uhm Hyo-seop
엄효섭
Won Doo-jung
16 episodes
Portrait: Yeo Jin-goo
Yeo Jin-goo
여진구
Jang Young-sil (voice)
16 episodes
Portrait: Lee Min-ryung
Lee Min-ryung
이민령
Jang Yi-soo
16 episodes
Portrait: Song Ho-su
Song Ho-su
송호수
Lee Dae-myung
16 episodes
Portrait: Jang Se-hyun
Jang Se-hyun
장세현
Nam Cheon-ho
16 episodes
Portrait: Kim Min-seok
Kim Min-seok
김민석
Park Dong-cheon
16 episodes
Portrait: Kang You-seok
Kang You-seok
강유석
Shin Hyeon
16 episodes

20 of 76 people — scroll sideways

Crew

Writer
Park Hye-ryun
Director
Oh Choong-hwan

Episodes

Start-Up — 16 episodes · from 10/17/2020

Page 1 of 1 · Episodes 1–16

Still from episode 1

START-UP

S01E0110/17/202085 min

The spring Seo Dal-mi lost everything, Nam Do-san's letters kept her company. Fifteen years later, she needs him by her side to prove Won In-jae wrong.

11 guest appearances

Ji Seong-geun (Bus passenger), Ahn Su-bin (Lee Min-ji), Park Choong-seon (Il Cheung Construction & Trading manager), Park Young-soo (Real estate agent), Yu Mi-ran (Real estate agent), Kim Jong-ho (SH Venture Capital employee), Lee Re (Won In-jae (young)), Nam Da-reum (Han Ji-pyeong (young)), Heo Jung-eun (Seo Dal-mi (young)), Kim Ju-hun (Seo Cheong-myeong), Kim Kang-hoon (Nam Do-san (young))

Still from episode 2

FFF (FAMILY, FRIENDS, FOOLS)

S01E0210/18/202084 min

To preserve Dal-mi's past and to support her future, Choi Won-deok asks Han Ji-pyeong to pull off an impossible task.

7 guest appearances

Choi Yun-seol (Hotel waitress), Bae Bo-ram (Lucca The Tea barista), Jung Ji-hyeon (Lucca The Tea barista), Kim Ji-in (Seo-hyun), Nam Da-reum (Han Ji-pyeong (young)), Yoon Seo-hyun (Lucca The Tea HR manager), Jo Ah-ra (Deputy Manager Jung)

Still from episode 3

Angel

S01E0310/24/202083 min

Ji-pyeong scrambles to transform Do-san into the man of Dal-mi's dreams. A rude awakening prompts In-jae to close one door and open another.

7 guest appearances

Kim Ji-in (Seo-hyun), Yoo Seung-il (Cheon-ho's father), Hong Boo-hyang (Cheon-ho's mother), Kwon Ki-ju (Deliveryman), Heo Jung-eun (Seo Dal-mi (young)), Yoon Seo-hyun (Lucca The Tea HR manager), Jo Ah-ra (Deputy Manager Jung)

Still from episode 4

Sandbox

S01E0410/25/202081 min

Despite differing pasts, Dal-mi and In-jae fight for their dreams at the same starting line. Ji-pyeong sets out to protect Dal-mi and help Do-san.

6 guest appearances

Kwon Ban-seok (Investor), Ita (Investor), Lee Chang-sub (Investor), Ko Han-min (Ko Eun-hyun), Heo Jung-eun (Seo Dal-mi (young)), Kim Ju-hun (Seo Cheong-myeong)

Still from episode 5

Hackathon

S01E0510/31/202082 min

Dal-mi and In-jae present their teams' ideas on the hackathon stage. A story about Dal-mi's upbringing moves Ji-pyeong to fight for her success.

6 guest appearances

Kim Chae-hyun (Hackathon CEO), Bae Yu-ri (Hackathon CEO), Jang Young-hyeon (Hackathon CEO), Kim Seong-yong (University professor), Kim Kang-hoon (Nam Do-san (young)), Oh Young-mee (Student's mother)

Still from episode 6

Key Man

S01E0611/01/202082 min

In-jae uses lessons from her father and stepfather to her advantage. A clash over company shares tests Dal-mi, who turns to Ji-pyeong for advice.

2 guest appearances

Seol Chang-hee (Cheol-san's co-worker), Park Seong-chan (Doctor)

Still from episode 7

Burn Rate

S01E0711/07/202078 min

Grappling with his feelings for Dal-mi, Ji-pyeong avoids her. Do-san's knowledge of Won-deok's condition inspires a business idea for Samsan Tech.

1 guest appearance

Moon Se-yoon (Security guard)

Still from episode 8

Backup

S01E0811/08/202081 min

Devastating news gives Dal-mi another reason to make the app a success. Won Du-jeong's plan to teach Do-san and Dal-mi a lesson backfires.

4 guest appearances

Im Seong-mi (Blind woman), Gu Bon-jin (Detective), Bae Hae-seon (Lee Hye-won), Park Chan-ho (Park Chan-ho)

Still from episode 9

Risk

S01E0911/14/202081 min

Do-san and Ji-pyeong struggle to bear the weight of their untold truths. Doubts and a mix-up lead Dal-mi to the place where it all started.

4 guest appearances

Kim Kang-hoon (Nam Do-san (young)), Oh Young-mee (Student's mother), Lee Dong-hee (Oh Yeon-ho), Yang Dae-hyeok (Reporter Choi Yang-won)

Still from episode 10

Demo Day

S01E1011/15/202085 min

Ji-pyeong gives Dal-mi long-awaited answers and a confession. Seeking success on his own terms, Do-san considers a golden opportunity.

6 guest appearances

Oh Kyu-taek (Park cleaning man), An Young-mi (Waitress), Lee Bo-young (Woman at pub), Lee Da-hae (Start-up CEO), Lee Dong-hee (Oh Yeon-ho), Yang Dae-hyeok (Reporter Choi Yang-won)

Still from episode 11

Exit

S01E1111/21/202077 min

Kim Yong-san forces Ji-pyeong to reflect on his past remarks. In-jae and Dal-mi's companies showcase rivaling programs using the same technology.

5 guest appearances

Bret Allan Lindquist (2STO employee), Jung Wook-jin (Kim Dong-su), Lee Da-hae (Start-up CEO), Jeon Jun-woo (2STO employee), Jeong Joon-hwan (Hackathon participant)

Still from episode 12

Acqhire

S01E1211/22/202086 min

Alex Kwon shows his true colors, proving Ji-pyeong right and fulfilling Samsan Tech's worst fears. Do-san tells Ji-pyeong about Won-deok's health.

6 guest appearances

Bret Allan Lindquist (2STO employee), Kim Ji-su (Flight attendant), Kim Kang-hoon (Nam Do-san (young)), Jeon Jun-woo (2STO employee), Jeong Joon-hwan (Hackathon participant), Park Chan-ho (Park Chan-ho)

Still from episode 13

Comfort Zone

S01E1311/28/202073 min

Dal-mi and In-jae's self-driving car is hit by a ransomware attack. Samsan Tech founders return after a successful three-year stint in San Francisco.

2 guest appearances

Jang Hae-song (Insurance salesman), Jo Ah-ra (Deputy Manager Jung)

Still from episode 14

Elevator Speech

S01E1411/29/202081 min

Tasked with recruiting top developers into her company, Dal-mi pitches her idea at Samsan Tech. Do-san gets away to clear his head.

5 guest appearances

Shin Dong-hoon (Investor), Lim Seung-beom (Investor), Jeon Yeo-jin (Investor), Park Sang-hyeon (Magazine staff), Kim Sung-yeol (Photographer)

Still from episode 15

MVP (Minimum Viable Product)

S01E1512/05/202078 min

Jung Sa-ha and Lee Chul-san begin dating in secret. A boozy, heartfelt conversation with Do-san helps Ji-pyeong make a decision about Dal-mi.

Still from episode 16

Scale Up

S01E1612/06/202081 minFinale

Do-san and Dal-mi envision new goals for their future. Ji-pyeong finds a way to pay forward his gratitude for Won-deok. In-jae returns to her roots.

5 guest appearances

Hong Seong-gwan (Start-up guy), Lee Re (Won In-jae (young)), Heo Jung-eun (Seo Dal-mi (young)), Kim Ju-hun (Seo Cheong-myeong), Jo Ah-ra (Deputy Manager Jung)

Image gallery

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Images © their respective rights holders · Source: TMDB