Underground
Overview
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.
About Underground (2026)
Released in 2026, Underground is a mystery and horror film from Korea Creative Content Agency (South Korea). It was directed by Choi Woo-sik. The cast is led by Shin Hyun-soo, Lee Yu-ji, Ko Gun-han, Park Hyun-young and Mun Seong-bok. With a runtime of 1h 32m, the film averages 3.5/10 across 2 TMDB ratings.
To watch Underground online free in HD, press Watch Now above and pick any server; the movie plays instantly on MyFlixer with no account needed. If you like mystery and horror movies, Ghost Mansion, The Ghost Station and Night Watch are worth adding to your list.
