The Secret of the Architect's Infinite Hexahedron
The Secret of the Architect's Infinite Hexahedron (Korean: Geonchugmuhan yugmyeongagcheui bimil) is a 1998 South Korean mystery film directed by Yu Sang-Wook. The screenplay, written by Jang Yong-Min, was the winner of a scenario competition organized by the Korean Film Commission.

Background
The film is inspired by the life and literary works of the Korean modernist poet Lee Sang. Lee is noted for his unconventional writing style, which frequently utilized symbols and puzzles that challenged traditional literary conventions. The film centers on a conspiracy theory surrounding his poem, "Mystery of a Cube," and follows a narrative focused on decoding the cryptic messages hidden within his work.
Production
The film was released on May 1, 1998, with a runtime of 108 minutes. It is recognized for its attempt to integrate puzzle-solving elements with visual effects technology available in the South Korean film industry during the late 1990s.
Cast
- Shin Eun-Kyung as Tae-kyoung
- Kim Tae-Woo as Yong-min
- Kwon Byeong-Jun as Canvas
- Park Jeong-Hwan as Copycat
- Park Ho-San as Copycat
- Kim Myung-Joong as Lee Yeon
- Kim Hyeong-Beom
- Jung Hyung-Suk