One Day
One Day Review: Story, Cast, Rating & Final Verdict
Last updated: May 12, 2026
Movie Overview: One Day
| Movie | One Day |
| Release Year | 2017 |
| Director | Lee Yoon-ki |
| Genre | Fantasy / Drama |
| Runtime | 114 minutes (1h 54m) |
| Language | KO |
Quick Verdict: Hit or Flop?
Is One Day (2017) worth watching? According to our cinematic analysis, the film stands as a HIT with a verified audience rating of 7.3/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Fantasy.
Cast & Character Study
The performances in One Day are led by Kim Nam-gil . The supporting cast, including Chun Woo-hee and Jung Sun-kyung , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
One Day stands out as a strong entry in the Fantasy genre. The film benefits from engaging storytelling, memorable performances, and solid production values that help keep viewers invested.
- Compelling performances from the main cast
- Strong visual storytelling and direction
- Well-structured Fantasy narrative
- Satisfying emotional or dramatic payoff
What Doesn't Work
Despite its strengths, One Day has a few issues that may affect the overall viewing experience, particularly in terms of pacing and narrative consistency.
- Uneven pacing in certain parts of the film
- Some predictable plot developments
- May not appeal to audiences outside the Fantasy fanbase
Story & Plot Summary: One Day
Quick Plot Summary: Released in 2017, One Day is a Fantasy, Drama film directed by Lee Yoon-ki. The narrative transports viewers to imaginative worlds filled with magic, wonder, and epic adventures. It provides a scannable look at the movie's central conflict involving Kim Nam-gil as Kang-soo.
Ending Explained: One Day
One Day Ending Explained: A man, who witnessed his wife's suicide, gradually cures his emotional scars through a fateful encounter with the spirit of a woman in coma. Directed by Lee Yoon-ki, this 2017 fantasy film stars Kim Nam-gil (Kang-soo), alongside Chun Woo-hee as Mi-so, Jung Sun-kyung as Mi-so's Mother, Im Hwa-young as Seon-hwa. Rated 7.3/10 by audiences, the conclusion brings the story to a satisfying close.
What Happens at the End of One Day?
A man, who witnessed his wife's suicide, gradually cures his emotional scars through a fateful encounter with the spirit of a woman in coma.
How Does Kim Nam-gil (Kang-soo)'s Story End?
- Kim Nam-gil: Kim Nam-gil's arc reaches a definitive conclusion by the final act, with Lee Yoon-ki delivering a resolution that feels earned after the film's 1h 54m runtime.
- Chun Woo-hee (Mi-so): Chun Woo-hee's role in the climax proves pivotal to how the central conflict resolves.
- Jung Sun-kyung (Mi-so's Mother): Jung Sun-kyung's character undergoes a significant shift in the final act.
What Does the Ending of One Day Mean?
The ending of One Day ties together the narrative threads involving Kim Nam-gil. Lee Yoon-ki chooses a conclusion that prioritizes thematic consistency over surprise, resulting in an ending that rewards viewers who engaged with the story's central themes.
One Day Real vs. Reel: Is it Based on a True Story?
Is One Day Based on a True Story?
No, One Day is a work of fiction. While the fantasy, drama film directed by Lee Yoon-ki and starring Kim Nam-gil may incorporate realistic themes, the characters and plot are original creations.
Who Should Watch One Day?
Age Advisory: Rated Not Rated.
Worth Watching If You:
- Enjoy Fantasy films and don't mind familiar tropes
- Are a fan of Kim Nam-gil or the director
- Want solid genre entertainment
Where to Watch One Day Online?
Streaming Hub📺 Stream on
KocowaOne Day Parents Guide & Age Rating
2017 AdvisoryWondering about One Day age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of One Day (2017) is 114 minutes (1h 54m). Directed by Lee Yoon-ki, the film runs for 114 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 7.3/10, and global performance metrics, One Day is classified as a HIT. It remains an essential part of the 2017 cinematic calendar.
Frequently Asked Questions
Is One Day worth watching?
One Day is definitely worth watching if you enjoy Fantasy movies. It has a verified rating of 7.3/10 and stands as a HIT in our box office analysis.
Where can I find One Day parents guide and age rating?
The official parents guide for One Day identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of One Day (2017)?
The runtime of One Day (2017) is 114 minutes (approximately 1h 54m).
movieMx Verified
This review has been verified for accuracy and editorial quality by our senior cinematic analysts.
This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.
