Start-Up

• 
  E1

  START-UP

  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.

  2020-10-17 · 85m
• 
  E2

  FFF (FAMILY, FRIENDS, FOOLS)

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

  2020-10-18 · 84m
• 
  E3

  Angel

  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.

  2020-10-24 · 83m
• 
  E4

  Sandbox

  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.

  2020-10-25 · 81m
• 
  E5

  Hackathon

  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.

  2020-10-31 · 82m
• 
  E6

  Key Man

  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.

  2020-11-01 · 82m
• 
  E7

  Burn Rate

  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.

  2020-11-07 · 78m
• 
  E8

  Backup

  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.

  2020-11-08 · 81m
• 
  E9

  Risk

  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.

  2020-11-14 · 81m
• 
  E10

  Demo Day

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

  2020-11-15 · 85m
• 
  E11

  Exit

  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.

  2020-11-21 · 77m
• 
  E12

  Acqhire

  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.

  2020-11-22 · 86m
• 
  E13

  Comfort Zone

  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.

  2020-11-28 · 73m
• 
  E14

  Elevator Speech

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

  2020-11-29 · 81m
• 
  E15

  MVP (Minimum Viable Product)

  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.

  2020-12-05 · 78m
• 
  E16

  Scale Up

  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.

  2020-12-06 · 81m

Top cast

Suzy

Seo Dal-mi

Nam Joo-hyuk

Nam Do-san

Kim Seon-ho

Han Ji-pyeong

Kang Hanna

Won In-jae

Kim Hae-sook

Choi Won-deok

Kim Do-wan

Kim Yong-san

Kim Won-hae

Nam Seong-hwan

Song Sun-mi

Cha Ah-hyun

Yoo Su-bin

Lee Chul-san

Seo Yi-sook

Yoon Seon-hak

Kim Hee-jung

Park Geum-jeong

Stephanie Lee

Jeong Sa-ha