Lady Dua (Korean: 레이디 두아, Re-i-di Du-a) is the rare 2026 Korean thriller that wins on plotting rather than punch-ups. It went out worldwide on Netflix as The Art of Sarah, all eight episodes at once on February 13, 2026, and inside two weeks it sat at No. 1 on the global non-English Top 10 across more than 30 countries. Come for the mystery, not the mayhem.
What it is and where to watch
Kim Jin-min (김진민) directs from a script by Chu Song-yeon (추송연), and the two keep it disciplined: eight episodes, no padding, streaming only on Netflix. That length makes it a clean weekend watch, and there are subtitles and dubs in a handful of languages if you want to start tonight.
The premise (no big spoilers)
In Seoul’s luxury-fashion circles, everyone knows Sarah Kim — the woman running a high-end brand’s Asia operations, spoken of almost as a rumor. The trouble is that hardly anyone has laid eyes on her. Then a body surfaces, identified as Sarah, and detective Park Mu-gyeong takes the case only to find the math never works: no clean records, a past that keeps contradicting itself, and the same face answering to more than one name. From there it turns into an elegant duel over identity and reinvention, and the cost of building a whole life on a beautiful lie. The truth comes off one layer at a time, so go in knowing as little as you can.
The lead cast and characters
Shin Hye-sun (신혜선) carries the whole thing as Sarah Kim (사라킴), asked to be glamorous, guarded, and quietly wrecked — sometimes inside a single scene. It is reported as her first lead in a streaming original, and critics treated her as the show’s center of gravity, which is exactly right.
Opposite her, Lee Joon-hyuk (이준혁) is Park Mu-gyeong (박무경), the dogged detective whose refusal to let go keeps the plot moving. Korean crime-drama regulars will clock the reunion here: this is the first time Shin and Lee have shared a screen since the excellent 2017 thriller Stranger (Forest of Secrets). Around them, Bae Jong-ok (배종옥) is formidable as Choi Chae-woo (최채우), the chairwoman lording over the fictional Samwol Department Store, with Kim Jae-won (김재원) as her secretary Kang Ji-hwon (강지훈).
Why it matters and how it was received
The numbers were strong, but the reviews are what give it staying power — an 86% positive critics’ score on Rotten Tomatoes and roughly 7.3 on IMDb. The praise mostly lands on the push-and-pull between the two leads and the show’s sleek look. The honest knock: a few critics found the back half stretching its premise thinner than it could bear. Even so, as a study of the selves we invent, it sits with you after the credits.
Real Korean filming locations (plan your visit)
The Samwol Department Store (삼월백화점) is a fiction stitched together from real Seoul landmarks. Exteriors borrowed the Lotte Department Store Main Branch in Sogong-dong (롯데백화점 본점) and the historic Shinsegae Department Store Main Branch (신세계백화점 본점) by Namdaemun — a fitting choice, given that “Samwol” nods to the old name in Shinsegae’s own lineage. The moneyed Gangnam scenes were shot along Apgujeong-ro 77-gil in Cheongdam-dong (압구정로 77길). For mood, the production turned to Nodeul Island (노들섬) on the Han River, the secluded Grand Walkerhill Seoul – Aston House (그랜드 워커힐 서울 애스턴하우스), and Seowon Valley Country Club in Paju (서원밸리 컨트리클럽). Add the downtown crush around Euljiro 1-ga Station (을지로입구역) and the Lotte Premium Outlet Uiwang (롯데 프리미엄 아울렛 의왕점), and you have a filming-spot route that mostly stays inside Seoul.
Korean food in the show
Lady Dua lives in the luxury-fashion world, not the kitchen, so there is no recurring dish to chase here. Its set pieces favor department-store cafés and fine dining over street food — which means the real move, if you visit the locations, is to graze the food halls under Shinsegae and Lotte, the closest you will get to tasting Sarah’s world.
Spoiler-free verdict: if a smart, atmospheric identity mystery with two actors at the top of their game sounds like your kind of night, Lady Dua / The Art of Sarah earns its eight episodes on Netflix.
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