Green Concrete (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Green Concrete examines what happens to trees when urban reconstruction transforms a once-green space into concrete. Built from memories and records, Lee Sung-min’s South Korean documentary brings together people from different fields to consider practical ways to protect trees in changing cities.

Green Concrete asks a straightforward but consequential question: must city trees disappear whenever reconstruction begins? The South Korean documentary follows the history of trees that once stood on a green island surrounded by concrete, using memories and records to trace what became of them.

Directed and written by Lee Sung-min, the film also brings together people from different fields to discuss realistic ways of preserving trees during urban change. Its focus is environmental and civic, centered on the relationship between redevelopment and the natural spaces within cities.

Green Concrete movie details

Story without spoilers

The film begins with memories and records connected to a green island in a concrete setting. From there, it follows the whereabouts of the trees that once lived in that space and examines how reconstruction affected their survival.

As the documentary develops, it meets a range of people from different professional backgrounds. Their discussions explore practical approaches to protecting trees when cities are rebuilt, giving the film a clear focus on urban development, preservation and the consequences of losing established greenery.

What to expect

Green Concrete is a 104-minute documentary built around an environmental question rather than a fictional narrative. Viewers can expect an investigation into the fate of urban trees, documentary-based recollections and conversations about workable preservation methods.

The subject is closely tied to South Korean city life and reconstruction. The supplied information indicates a reflective, research-based film concerned with records, personal memories and perspectives from multiple fields, without revealing the documentary’s conclusions.

Cast and creative team

Lee Sung-min serves as both director and writer. The documentary features Kwon Hye-yeong, Kim So-dam, Park Se-ho, Song Yeong-myeong and Ian Joe, each appearing as themselves.

• Kwon Hye-yeong as Self
• Kim So-dam as Self
• Park Se-ho as Self
• Song Yeong-myeong as Self
• Ian Joe as Self

Release and production context

Green Concrete is a South Korean documentary in Korean with a runtime of 1 hour and 44 minutes. It is scheduled for release on August 19, 2026, and is listed as released in the supplied metadata. The film was produced by Studio Siot.

Production companies: Studio Siot

Movies Dock view

With its focus on trees affected by reconstruction, Green Concrete approaches urban development through the record of a disappearing green space. Its combination of archival memory, personal accounts and practical discussion places the question of tree preservation at the center of the film.

Film data:
TMDB