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The Best Korean Drama of 2020The PenthouseStart-UpTale of the Nine TailedThe Spy Who Loved MeTrue BeautyKairosPhoenix (2020)


Title: 스타트-업 / Start-Up
Also known as: 스타트업 / Startup
Formerly known as: 샌드박스 / Sandbox
Genre: Romance, Comedy
Episodes: 16 (To Be Confirmed)
Broadcast network: tvN
Broadcast period: 2020-Oct-17 to 2020-Dec-06
Air time: Saturday & Sunday 21:00 (2 episodes back-to-back)


This drama is about a woman who dreams of becoming an entrepreneur like Steve Jobs, a man of natural science who becomes her first love, and another man who has to make that man look wonderful.

Seo Dal Mi (Bae Suzy) is a second-generation heiress who drops out of college to start her own company and be as successful as Steve Jobs. She also gives up her privileges and takes various jobs to raise the money she can use as capital.

Meanwhile, Nam Do San (Nam Joo Hyuk) is the founder of Samsan Tech. He is excellent with mathematics. He started Samsan Tech two years ago, but the company is not doing well. Somehow, Nam Do San becomes Seo Dal Mi’s first love. They cheer each others start and growth.


Main Cast

Bae Suzy as Seo Dal Mi
Heo Jung Eun as Seo Dal Mi (young)
Nam Joo Hyuk as Nam Do San
Kim Kang Hoon as Nam Do San (young)
Kim Sun Ho as Han Ji Pyung
Nam Da Reum as Ji Pyung (young)
Kang Han Na as Won In Jae
Lee Re as Won In Jae (young)

Supporting Cast

Stephanie Lee as Jung Sa Ha
Kim Do Wan as Kim Yong San
Yoo Soo Bin as Lee Chul San
Cho Tae Kwan as Alex Kwon
Seo Yi Sook
Kim Hae Sook as Dal Mi’s grandmother
Kim Won Hae as Nam Do San’s father

Production Credits

Production Companies: Studio Dragon, HiSTORY D&C
Producer: Hwang Ki Yong
Director: Oh Choong Hwan
Screenwriter: Park Hye Ryun

Episode Ratings

Date Episode AGB TNmS
2020-10-17 1-1 4.278 -
2020-10-17 1-2 4.495 -
2020-10-18 2-1 4.208 -
2020-10-18 2-2 4.361 -
2020-10-24 3-1 4.789 -
2020-10-24 3-2 4.468 -
2020-10-25 4-1 4.334 -
2020-10-25 4-2 5.010 -
2020-10-31 5-1 4.274 -
2020-10-31 5-2 5.424 -
2020-11-01 6-1 4.136 -
2020-11-01 6-2 4.741 -
2020-11-07 7-1 4.521 -
2020-11-07 7-2 5.065 -
2020-11-08 8-1 3.821 -
2020-11-08 8-2 4.544 -
2020-11-14 9-1 4.879 -
2020-11-14 9-2 5.145 -
2020-11-15 10-1 3.954 -
2020-11-15 10-2 4.352 -
2020-11-21 11-1 4.130 -
2020-11-21 11-2 4.799 -
2020-11-22 12-1 4.270 -
2020-11-22 12-2 5.079 -
2020-11-28 13-1    
2020-11-28 13-2    
2020-11-29 14-1    
2020-11-29 14-2    
2020-12-05 15-1    
2020-12-05 15-2    
2020-12-06 16-1    
2020-12-06 16-2    

Sources: TNmS Media Korea & AGB Nielsen Korea (Nationwide)

*** Note: This drama is aired on Pay-TV channel which has fewer viewers than Free-TV channels. So, please don’t be surprised with the low rating. ***


Related Photo

(Other Photo from Official Site)

Official Site

Official Poster

Official Trailer
Trailer I
Trailer II
Trailer III
Trailer IV
Trailer V

Watch Online in Viki.com (Coming Soon)


  1. 1 : phoenix Says:

    A new Nam Joo Hyuk drama! His acting was amazing in The Light in Your Eyes, plus the writer and director have made some really great dramas in the past(while you were sleeping, my love from the star, hotel de luna etc.) It’s still a while before it airs, but I’m super stoked!

  2. 2 : Pocahontas11 Says:

    Nice casting.

  3. 3 : tigerb Says:

    i wonder if the ratings are because of the lead actors. need to watch to find out if really worth watching.

  4. 4 : Anadia Says:

    When watching ep 3 my heart is still going to second leaddddd oh writer why u make second lead character is much much strong then first lead.. 😭

  5. 5 : Anasahi Says:

    for me im not really into nam joo hyuk he still need alot work to do in his acting maybe bcoz he much popular than second lead. But second lead acting much better then him.

  6. 6 : Kakaoo Says:

    2nd lead syndrome really strooooong in here… im rooting for him

  7. 7 : OK OK OK Says:

    Watched ep 4. Nice I like it. 🙂

  8. 8 : Raionkisaki Says:

    I saw some clips and I’m waiting for it to end before start watching!!!

  9. 9 : TIRA Says:

    Enjoy this drama very much. Love the actors and actress

  10. 10 : nischuu Says:

    wish Jipyeong justice he deserve after since 1st ep was too strong to be handle with since the beginning, a very well act he portrayed best than the actual male lead

  11. 11 : mslatipah Says:

    What makes you want to follow the progress of the story?When the first episode is inviting.Thats what I felt after watching the first episode. My only hope is lets not turn Ji-Pyeong into an antagonist and damages his relationship with Dal Mi. Wishing they end up together.

  12. 12 : Mitch Says:

    Im excited for episode 9,

  13. 13 : Dewi Says:

    The best drama

  14. 14 : Lisa Says:

    Best drama ever

  15. 15 : laura Says:

    i dont like nam joo, ………………… i agree with @nischuu … the characther second lead more powerful, more active, more nice, more smart, more wise, more kind, and more charming…

  16. 16 : Rose Says:

    Beautiful story and great cast. Always looking forward to the next episode. Team Good Boy all the way. 🙂

  17. 17 : Jasimah Says:

    The best drama 2020😍

  18. 18 : Jasimah Says:

    Beautiful story and great cast. And i love suzy. 😍😍

  19. 19 : miss L Says:

    Writernim please listen to your viewers. Maybe thats the reason why the ratings now is getting low. HJP flr the win! He is mature and reliable. Pkease…. please…. please….

  20. 20 : #JipyeongEndGame Says:

    the writer should have knew better about the character development jipyeong has been built ever since since, stop turning him into such a useless character

    agreed with @miss L said about writer should have listen to viewers more if they want to play safe or nobody would ever satisfied with this crappy story line, but ruining Jipyeong when he’s been the ‘Good Guy’ all his life. Now its all thanks to Kim Seonho for making Jipyeong life exist and even more valuable person on earth from above characters.

  21. 21 : Vina Says:

    Best drama 2020

  22. 22 : cutteee Says:

    Han ji pyung ❤️

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