WATCH: K-zombie film 'Colony' by 'Train to Busan' maker releases teaser

If you were hooked on the heart-pounding action of Train to Busan, director Yeon Sang Ho is back to haunt your dreams with his latest zombie film, Colony.

The newly released 30-second teaser from Showbox offers a glimpse into a building under lockdown.

The story follows a biotechnology researcher (Jun Ji Hyun) who attends a conference and later gets trapped inside a building after a mysterious, mutating virus breaks out. Together with a group of survivors, including a security guard (Ji Chang Wook), they must fight their way through a sudden zombie apocalypse.

In the movie, Ji Hyun and Chang Wook are joined by actors Koo Kyo Hwan, Shin Hyun Been, Kim Shin Rok, and Go Soo.

Colony is scheduled for a theatrical release in 2026.

Meanwhile, the 2016 hit Train to Busan, followed a group of passengers fighting to survive a zombie apocalypse aboard a high-speed train. The film was both a global box-office success and a critical triumph, earning awards at the Blue Dragon Film Awards and the Baeksang Arts Awards.

Watch the teaser below.