General · EdgepediaOctober 3, 20265 min read

Grid (그리드)

Grid (그리드) is a 2022 South Korean science fiction thriller series produced for Disney+, in which a mysterious woman known as the Ghost, who saved humanity in 1997 by creating a planetary defense shield called the Grid, reappears 24 years later as the accomplice of a murderer.¹ The series ran for 10 episodes on Disney+ from February 16 to April 20, 2022, and was written by Lee Soo-yeon, the writer of the Forest of Secrets series (also known as Stranger).²^•³

Key fact	Detail
Original title	그리드 (Grid); early working title was "Zero (0)"²
Run	10 episodes, Disney+, February 16 – April 20, 2022, Wednesdays, about 52 minutes each²^•¹
Writer / directors	Lee Soo-yeon; Khan Lee and Park Chul-hwan³^•⁴
Main cast	Seo Kang-joon (Kim Sae-ha), Kim Ah-joong (Jung Sae-byeok), Kim Mu-yeol (Song Eo-jin), Lee Si-young (the Ghost), Kim Sung-kyun (Kim Ma-nok)⁵
Premise	In 1997 the Ghost created the Grid, a shield protecting Earth from life-threatening solar winds, then disappeared; 24 years later she returns to help a serial killer escape¹
Audience rating	6.4/10 on IMDb from about 1.3K users⁶

Spoilers

Premise

The story opens in an alternate timeline in which catastrophic solar winds threatened Earth. A ghostly entity created the Grid, a planetary defense shield built on artificially expanded magnetic fields, saving humanity before vanishing.⁷^•⁸ Twenty-four years later, Kim Sae-ha, an employee of the government Bureau that runs the Grid, encounters a murderer, and the detective Jung Sae-byeok is dispatched to arrest him. During the pursuit she witnesses the impossible: the founder of the Grid has reappeared, and she is helping the fugitive.⁷ Kim Sae-ha, Jung Sae-byeok, and Song Eo-jin pursue the Ghost for different reasons.⁹

Cast and characters

The first script reading, whose photos Disney+ released in January 2022, included writer Lee Soo-yeon, director Ri Gun (Khan Lee), and the principal cast.¹³ Seo Kang-joon plays Kim Sae-ha, a cynical employee of the management department; Kim Ah-joong plays the detective Jung Sae-byeok, determined to catch the Ghost; Kim Mu-yeol plays Song Eo-jin, a fellow department worker who denies the Ghost's existence; Kim Sung-kyun plays the murderer Kim Ma-nok, whom the Ghost protects; and Lee Si-young plays the Ghost herself.¹³^•⁵

Production and creative background

Writing. Lee Soo-yeon said the title was originally "O," a circle, reflecting an idea that time does not flow and has no beginning or end; she chose "Grid" because the drama introduces the concept of the shield and because the word is pronounced the same in every language.³ She developed the idea while finishing the last episode of Forest of Secrets 2, wanting a drama with fewer dialogue-heavy explanations than her previous work on current social problems.³ The solar-wind premise came later: because the Ghost travels through space and time, the writer needed a reason weighty enough to justify such a journey, and felt the environmental problem could no longer be ignored.³

Direction and approach. At the February 16, 2022 online press conference, director Khan Lee described the series as a story about protecting the Earth, saying he had wondered why no Korean series or films addressed saving the planet.¹⁰ He described Grid as subtle science fiction with limited visual effects, anchored in reality, with effort spent making the unfamiliar fictional universe convincing.¹⁰ Actor Kim Mu-yeol said the plot is heavily based on the findings of actual research, adding that the writer scripted the story from a library.¹⁰

Context at Disney+. Grid premiered on February 16, 2022 as part of the Star banner, shortly after Disney+ launched its Korean service on November 12, 2021, and was one of the Korean originals announced as the streamer expanded its Asia-Pacific content slate.⁴^•¹¹ Filming took place from May 2021 to October 12, 2021.¹² The series later reached the United States, where Rotten Tomatoes lists a release date of September 7, 2022 on Hulu.⁵

Reception

Audience scores were middling: IMDb records 6.4/10 from about 1.3K users, and Rotten Tomatoes shows an average Popcornmeter of 67% from fewer than 50 ratings with no Tomatometer reviews.⁶^•⁵ Critical response was divided. The South China Morning Post review by Pierce Conran gave the completed series 1.5 out of 5 stars, crediting its opening with a high concept and slick production values in a dystopian setting where a Korean government agency shields the world from gigantic solar flares, but judging that the time-travel elements abandoned logic and undermined the emotional moments.¹⁴

The series has also drawn academic attention. A 2023 paper by Mikyoung Park of Chungnam National University, published in The Journal of Korean Drama and Theatre, analyzed how Grid builds dramatic reality: it argues that the scientific plausibility of the artificial magnetic field shield and the time machine, set against the natural phenomenon of solar wind, makes the drama's extrapolative hypothesis persuasive, and that the same technologies, turned to controlling humans, reflect the negativity of reality.¹⁵

References

Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Series and fictional screen worlds › International serial drama and telenovelas › East Asian drama series › Korean contemporary drama › Fantasy, supernatural, and science fiction series › Premiered 2010 to 2022

Initially written Oct 3, 2026 · Reviewed: Oct 25, 2026 · Edited: Oct 15, 2026; Oct 25, 2026; Nov 1, 2026 · Last review: Oct 25, 2026

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