Tunnels: Sun in the Dark

Set during the Vietnam War in 1967, this historical war drama follows a team of revolutionary guerrillas. The group becomes a primary target for the United States military while they work to protect a secret unit of intelligence agents.

The film was written and directed by Bùi Thạc Chuyên, following his previous works Xẩm and Living in Fear. It features an ensemble cast including Thái Hòa, Ngô Quang Tuấn, Hồ Thu Anh, Diễm Hằng Lamoon, Cao Minh, and Nhật Ý, with a total of 97 credited actors and a crew of 376 people. Produced in Vietnam by Galaxy Studio, HKFilm, Toka Studio, and Galaxy EE, the production had a budget of 2 million USD.

The movie earned 7 million USD at the worldwide box office, more than tripling its initial cost. It has received a positive response from viewers, holding a rating of 7.4/10 on IMDb based on 543 votes.