Concrete Utopia is a 2023 South Korean disaster thriller film directed by Um Tae-hwa and written by Kim Soong-Nyoong.
The film stars Lee Byung-hun, Park Ji-hu, Park Bo-young, Park Seo-joon, and Kim Sun-young. It is loosely based on Part 2 of the hit webtoon "Joyful Outcast" and follows the story of survivors gathering at Hwang Goong Apartments, the only building left standing after a devastating earthquake in Seoul.
The film premiered on August 9, 2023, and received positive reviews from critics, with a 91% approval rating on AsianWiki. The film's runtime is 129 minutes, and it was distributed by Lotte Entertainment.