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.
- Status
- Released
- Original Title
- 지하도
- Original Language
- Korean
- Production
- Korea Creative Content Agency, EO Contents Group
Cast
Media
Frequently Asked Questions
Where can I watch Underground (2026) for free?
You can stream the full Underground movie (2026) right here on FlixWow in HD, completely free. No subscription, no signup, nothing to install.
What is Underground about?
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 co…
Who stars in Underground?
The movie stars Shin Hyun-soo, Lee Yu-ji, Ko Gun-han, Park Hyun-young, Mun Seong-bok and more.
When was Underground released?
Underground was released in 2026 and is streaming free on FlixWow.
Is Underground worth watching?
Underground holds a rating of 3.5/10 from viewer votes (2 ratings). Watch it free on FlixWow and judge for yourself.