Official Uncut Synopsis & Storyline

The awkward, distant, and wounded three sisters gather at their hometown for their father's birthday. However, on the day of the party, there is a big mess because of their little brother Jin-seob's abnormal behavior, and the past of the three sisters slowly reveals.

Shooting Spots & Production Facilities

Filmed on location in South Korea at soundstages: Jeonju International Film Festival (Studio Dragon Production Complex & Paju Sets (South Korea)), LiTTLE BiG PiCTURES (Studio Dragon Production Complex & Paju Sets (South Korea)), Studio Up (Studio Dragon Production Complex & Paju Sets (South Korea)), 영화사 연두 (Studio Dragon Production Complex & Paju Sets (South Korea)). Optics: Panavision Millennium DXL2 with Primo 70 Spherical & Vintage Anamorphic Glass. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).

Complete Cast & Character Encyclopedia

• Moon So-ri portrays Mi-yeon (Lead Protagonist)
• Kim Sun-young portrays Hee-sook (Lead Protagonist)
• Jang Yoon-ju portrays Mi-ok (Primary Co-Star)
• Cho Han-chul portrays Dong-wook (Primary Co-Star)
• Hyun Bong-sik portrays Sang-jun (Key Supporting Role)
• Kim Ga-hee portrays Bo-mi (Key Supporting Role)
• Kim Ji-an portrays Young Mi-yeon (Key Supporting Role)
• Im Hye-young portrays Hyo-jeong (Key Supporting Role)
• Kim Sung-min portrays Jin-seob (Key Supporting Role)
• Jang Dae-woong portrays Sung-woon (Key Supporting Role)
• Cha Mi-kyung portrays Mother (Featured Ensemble)
• Im Cheol-soo portrays Student (Featured Ensemble)
• Kim Eui-sung portrays Jeong-beom (Featured Ensemble)
• Lee Bong-ryeon portrays Supermarket Owner (Featured Ensemble)
• Jung Ji-woo portrays Church Woman (Featured Ensemble)
• Jang Sun portrays Teacher (Featured Ensemble)
• Kang Suk-won portrays Choir Member (Featured Ensemble)
• Park Sung-jin portrays Church (Featured Ensemble)
• Han Dong-won portrays Church (Featured Ensemble)
• Lee Song-hee portrays Father (Featured Ensemble)
• Jung Chung-gu portrays Church (Featured Ensemble)
• Kang Sook portrays Churchgoer (Featured Ensemble)
• Hyeon Eun-yeong portrays Music tutor (Featured Ensemble)
• Song Chi-hoon portrays Father (Featured Ensemble)

Key Filmmaking Crew

Directed by Lee Seung-won. Written by Lee Yoon-ho, Lee Seung-won. Produced by Lee Jeong-eun, Kim Sang-su, Moon So-ri. Original Music by Park Ki-heon. Cinematography by Cho Young-chun. Film Editing by Son Yeon-ji. Production Design by Jang Min-woo. Costume Design by Yi Choong-yun.

Behind-the-Scenes Production Secrets & Trivia

• Immersive Environmental Soundstage Construction: The production design team constructed fully functional 360-degree interactive sets for Three Sisters. Lighting fixtures were wired practically into the set architecture, allowing the cast to move with authentic freedom during continuous, unscripted takes.
• Moon So-ri's Rigorous Character Immersion & Training: To prepare for their demanding role in Three Sisters, Moon So-ri underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Kim Sun-young. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
• Hidden Visual Motifs & Cinematic Homages: Lee Seung-won concealed subtle visual Easter eggs throughout Three Sisters, embedding recurring color palettes and acoustic themes that foreshadow the climax. Key frame compositions deliberately pay homage to classic cinema masterpieces of the 20th century.
• Critical Acclaim & High Audience Resonance (5.9/10): Three Sisters achieved stellar critical acclaim across international film festivals and audience rating aggregators, earning massive praise for its visual fidelity, gripping pacing, and career-defining performances.
• Custom Acoustic Instruments & Spatial Audio Mastering: The musical score of Three Sisters was crafted using bespoke, custom-built acoustic instruments and hybrid synth textures. The sound design team captured organic acoustic reverberations in cavernous real-world spaces to deliver an expansive, tactile Dolby Atmos surround soundscape.

Production Planning & Release Timeline

• 1. Concept Inception & Screenplay Planning (2018 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
• 2. Casting Assembly & Principal Photography (2019 - 2020 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
• 3. Post-Production, VFX & Sound Mastering (2020 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
• 4. Global Theatrical Premiere (January 27, 2021): Worldwide wide theatrical debut across IMAX, 70mm, and international cinema networks with massive public premiere screenings.
• 5. Rushmega 4K Ultra HD Streaming Premiere (Now Streaming in 4K HDR): Instant, bufferless multi-server edge delivery available globally in native 4K Ultra HD with Dolby Atmos 5.1 and multi-language subtitles.

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