What would you do when a big wave is about to sink your apartment building? The 2025 Netflix Korean film “The Great Flood” is a disaster thriller in which Kim Da-mi faces rising waters and a global conspiracy in her own apartment building. Park Hae-soo (yes, “Squid Game” ’s Player 001) pursues her to go along with her on an unfolding mission to create a new mankind. Discover everything about Korea’s boldest film in December 2025, “The Great Flood,” before the next wave hits.
“The Great Flood”(대홍수) Korean Film 2025
This Netflix original blends disaster spectacle with emotional depth. Kim Da-mi (“Nine Puzzles”) and Park Hae-soo (“Squid Game”) lead a race against time as floodwaters rise. Humanity’s last hope rests in a single apartment building.
Synopsis: More Than Just Water Rising
A global flood threatens all life on Earth. Gu An-na, an AI researcher, fights to save her young son from a rapidly flooding apartment. Son Hee-jo, a security specialist, joins her mission. As she desperately tries to save her son, she’s the only hope to save humanity.
This isn’t just action. It follows Korea’s signature Giseungjeongyeol structure, where characters return to pivotal moments for discovery. You’ll feel every heartbeat as hope battles despair. The flood isn’t just water. It’s a test of what we’re willing to sacrifice for others.
Cast Lineup & Characters
Kim Da-mi portrays Gu An-na, a determined researcher. Da-mi will show once again another of her stunning performances, proving why she’s Korea’s favorite female lead.
Park Hae-soo brings quiet strength as Son Hee-jo. Remember him from “Squid Game”? Here, you’ll see his calm demeanor in the middle of the storm.
Supporting actors add rich layers in this film.
Kwon Eun-seong (“Typhoon Family”) as Ja-in (An Na’s son), bringing warmth to the story.
Kang Bin (“Narco Saints”) plays Mi-jung. He shows endless courage in this movie.
Production Details: Six Months Underwater
The filming process took six intense months from July 202 to January 2023.
Director Kim Byung-woo, known for “Omniscient Reader: The Prophecy,” constructed impressive water sets. Actors underwent extensive training for underwater scenes. The blend of real flood footage and practical effects achieves remarkable realism.
Netflix is committed to ensuring the highest quality, and initial screenings at the Busan Film Festival have proven that this decision was the right one. The film’s release was delayed from 2024 to December 2025. The authenticity of each splash and the intensity of every gasp for air keep the audience on the edge of their seats.
Release Date & Where to Watch
Netflix will premiere the Korean disaster film “The Great Flood” on December 19, 2025. You can enjoy it from your couch with subtitles in 30+ languages. Dubbing will be available for major regions.
Fun Facts + Reasons to Watch
Korean films are masters of genre-blending. “The Great Flood” combines disaster, sci-fi, and family drama thenes while tackling climate fears. Director Kim aims for a simple disaster that evokes complex emotions.
Why watch it? First, the water scenes are mesmerizing. Second, the bold social commentary of Korean cinema feels real. Third, the film evokes deep emotions as it explores loss and hope. You’ll feel both soaked and inspired.
The film premiered at the Busan Film Festival. It received a standing ovation. The earlier viewers describe it as visually impressive and emotionally powerful. It’s not just about surviving water. It’s about what rises when everything falls.
When the Water Stops Rising, What Will You Do?
Korean cinema often shows us what matters most in difficult times through its stories. “The Great Flood” proves why global audiences keep returning to Korean movies with disaster stories like “Train to Busan” to “Concrete Utopia.” It’s not just special effects. It’s soul.
This film shows Korea’s unique storytelling power. Genre-blending. Emotional honesty. Visual poetry. You’ll remember where you were when you watched it.
The flood might cover the Earth, but you’ll see people reaching for each other, showing a human connection that shines through. That’s the Korean cinema promise. Simple truths wrapped in unforgettable moments.
What would you save if the waters rose tomorrow? Your phone? Photos? Or someone else’s future? “The Great Flood” asks us to look beyond ourselves. And maybe, just maybe, that’s how we all survive.
In the meantime, watch the trailer for “The Great Flood,” a Korean film in 2025 that will change how you view life differently.
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