Start-Up

Start-Up is a South Korean television drama created by writer Park Hye-ryun and director Oh Chung-hwan, broadcast in 16 episodes on tvN and internationally on Netflix in late 2020. The narrative is set against the backdrop of Sandbox, a fictional South Korean equivalent of Silicon Valley designed to nurture and protect high-tech entrepreneurship. The story follows bright, resourceful Seo Dal-mi, a young woman from modest means who dreams of becoming the next Steve Jobs, and Nam Do-san, a socially awkward coding genius whose fledgling artificial intelligence startup, Samsan Tech, is on the brink of collapse.

The narrative momentum is propelled by a childhood secret: fifteen years prior, Dal-mi was comforted through her parents' divorce and her father's untimely death by heartfelt pen-pal letters. Unbeknownst to Dal-mi, the letters were authored by Han Ji-pyeong—a brilliant orphan mentored by Dal-mi’s grandmother, Choi Won-deok—who signed them under the real-world name of math prodigy Nam Do-san. In adulthood, as Dal-mi seeks out her perceived first love, Ji-pyeong engineers a deception to maintain her romanticized image, introducing her to the actual Do-san.

As personal lives intertwine, Dal-mi and Do-san enter Sandbox to compete in rigorous hackathons and incubation programs, crossing paths with Dal-mi's estranged older sister, Won In-jae, a sharp corporate executive striking out to prove herself independent of her wealthy stepfather. Across its arc, the series chronicles the professional triumphs, catastrophic pitfalls, ethical dilemmas, and emotional reckoning faced by young innovators striving to turn visionary algorithms into human-centered enterprises.

The central thesis of Start-Up is that true growth—both personal and professional—requires stepping away from comfortable illusions, embracing the risk of failure, and validating decisions through deliberate action rather than living by default. Through the contrasting figures of Do-san, Dal-mi, and Ji-pyeong, the series argues that an authentic present shaped by genuine struggle and shared vulnerability holds far greater power than nostalgia, pedigree, or calculated safety.

The show also posits that technology attains its highest value not merely when optimizing corporate revenue, but when applied as an act of empathy to assist vulnerable individuals in society.

The Traditional Romantic Coming-of-Age Reading: Dal-mi’s journey represents emotional maturation—distinguishing between the fantasy of a teenage pen-pal (Ji-pyeong) and the reality of an imperfect, living partner who fought alongside her through real adversity (Do-san).

Start-Up arrived in late 2020 during the height of the COVID-19 pandemic and South Korea's aggressive national push into AI, venture capital funding, and digital entrepreneurship. The show resonated with youth unemployment anxieties in East Asia, offering an aspirational, romanticized look at tech innovation and self-made careers.

The show became a massive pop culture phenomenon across Asia and on global Netflix charts, igniting one of the most intense "Second Lead Syndromes" (Team Ji-pyeong vs. Team Do-san) in modern K-drama history. Its international footprint led to an official Philippine television adaptation (Start-Up PH) in 2022.

Praise: Universally acclaimed for its high-concept opening episode, crisp cinematography, inspirational startup atmosphere, and the deeply touching chemistry between Kim Seon-ho (Ji-pyeong) and Kim Hae-sook (Grandma Choi).

Criticisms: The latter half of the drama received significant backlash from portions of the audience due to the protracted love-triangle dynamics, the perceived regression of Do-san's emotional maturity in mid-episodes, and the abruptness of the three-year time jump separating Samsan Tech.

Overall Verdict: Despite divisive romantic factionalism, Start-Up is widely recognized as a stylish, memorable, and culturally influential series that revitalized interest in entrepreneurial dramas.