The Great Flood Ending Explained: When a raging flood traps a researcher and her young son, a call to a crucial mission puts their escape — and the future of humanity — on the line. Directed by Kim Byung-woo, this 2025 science fiction film stars Kim Da-mi (Koo An-na), alongside Park Hae-soo as Son Hee-jo, Kwon Eun-seong as Shin Ja-in, Jeon Hye-jin as Lim Hyeon-mo. With a 6/10 rating, the ending has divided audiences.

What Happens at the End of The Great Flood?

When a raging flood traps a researcher and her young son, a call to a crucial mission puts their escape — and the future of humanity — on the line.

How Does Kim Da-mi (Koo An-na)'s Story End?

  • Kim Da-mi: Kim Da-mi's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
  • Park Hae-soo (Son Hee-jo): Park Hae-soo's role in the climax proves pivotal to how the central conflict resolves.
  • Kwon Eun-seong (Shin Ja-in): Kwon Eun-seong's character undergoes a significant shift in the final act.

What Does the Ending of The Great Flood Mean?

The Great Flood's ending attempts to resolve the major plot threads, though some narrative elements involving Kim Da-mi may feel rushed. Kim Byung-woo's final act has been both praised for its ambition and criticized for its execution. Based on 694 audience ratings, the consensus is that the ending is adequate but divisive.