- South Korea’s The Great Flood is a sci‑fi disaster thriller now streaming on Netflix.
- Kim Da‑mi plays a single mother racing up a flooded high‑rise to save her son.
- Park Hae‑soo joins as a mysterious rescuer; their fates intersect as a global extinction event unfolds.
Quick overview: the great flood movie explained
The Great Flood is a Korean sci‑fi disaster film directed by Kim Byung‑woo (The Terror Live). Centered on a cataclysmic tsunami that engulfs Seoul and sparks a worldwide extinction event, the story follows researcher and single mother Gu An‑na (Kim Da‑mi) as she fights through rising waters and social collapse to reach safety — and to find her young son, Za‑in.
Release & Where to Watch
The Great Flood is available to stream now on Netflix. You can open the film’s page here: Watch The Great Flood on Netflix.
Trailer
Watch the trailer on the film’s Netflix page. (Trailer is embedded at the top of the film’s Netflix listing.)
Plot explained — key beats
When a massive tsunami sweeps through Seoul, apartment buildings flood from the lower floors upward. An‑na decides the only way to survive is to climb to the roof. The film tracks her tense ascent through a collapsing city: she fends off panicked neighbors, deals with looters and navigates flooded stairwells and elevators.
Separated from her son, An‑na encounters Son Hee‑jo (Park Hae‑soo), a reserved and mysterious man who rescues her. Together they search for Za‑in, but Hee‑jo’s motives slowly reveal complexity beyond simple heroism. The tension builds as An‑na discovers that choices she makes may determine not only her family’s survival but also the fate of other survivors — tying personal stakes to a larger, global disaster.
Cast & key players
- Kim Da‑mi as Gu An‑na — researcher and single mother.
- Park Hae‑soo as Son Hee‑jo — a curt, enigmatic rescuer.
- Kwon Eun‑seong as Shin Za‑in — An‑na’s young son.
- Jeon Hye‑jin as Im Hyeon‑mo — supporting role.
Setting and director
The story is set in near‑future Seoul as a global flood threatens humanity. Director Kim Byung‑woo, known for The Terror Live, blends disaster spectacle with human drama, focusing on a mother’s determination amid societal collapse.
For viewers searching for “the great flood movie explained,” the film pairs high‑stakes action with intimate character choices — a sprint to the top of a sinking city that asks how far one parent will go to save a child.
Image Referance: https://www.netflix.com/tudum/articles/the-great-flood-release-date-news