Seung-hyeon, a construction team leader with PTSD, is ordered to inspect Dohak Station, where a fatal accident halted work years ago. Inside the eerie, abandoned tunnels, he and Joo-young encounter two mysterious workers and become lost while trying to escape. Meanwhile, a CEO and a shaman perform a ritual to resume construction, but enraged spirits retaliate, plunging everyone into chaos.
Director: Choi Woo-sik
Seung-hyeon, a construction team leader with PTSD, is ordered to inspect Dohak Station, where a fatal accident halted work years ago. Inside the eerie, abandoned tunnels, he and Joo-young encounter two mysterious workers and become lost while trying to escape. Meanwhile, a CEO and a shaman perform a ritual to resume construction, but enraged spirits retaliate, plunging everyone into chaos.
Underground is a 2026 mystery and horror movie from South Korea directed by Choi Woo-sik, starring Shin Hyun-soo, Lee Yu-ji and Ko Gun-han. It was released on August 13, 2026. The running time is 1 h 32 min, in Korean.
Underground was released on August 13, 2026.
Underground was directed by Choi Woo-sik.
The main cast includes Shin Hyun-soo, Lee Yu-ji, Ko Gun-han, Park Hyun-young and Mun Seong-bok.
Underground runs 1 h 32 min.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
construction sitesubway tunnelunderground tunnel
Choi Woo-sik
Shin Hyun-soo
Lee Yu-ji
Ko Gun-han
Park Hyun-young
Mun Seong-bok
Jung Hyung-suk
Hong Seong-pyo