In a remote and snow-covered region, two desperate criminals, Randy and Moose, hijack a vehicle transporting prisoners and take a young woman named Robin captive. Escaping through the forest, they find themselves at an abandoned mine where they seek shelter. Little do they know, the mine harbors more than its dilapidated infrastructure; it conceals an isolated, dangerous man who has adapted to life underground. Amidst the eerie silence and looming darkness, the group reluctantly bands together to navigate the treacherous tunnels and evade the threats lurking within.

Outside, Sheriff Kepler is on the hunt for the escaped convicts and their hostage, unaware of the ominous secrets hidden below ground. As his investigation leads him closer to the mine, tensions rise, and the environment grows more perilous. The once separate paths of law enforcement and fugitives converge in an escalating struggle for survival. The characters must confront both visible dangers and unseen horrors as they delve deeper into the labyrinthine cave system, testing their wits, endurance, and morality. Their journey through the mine brings them face-to-face with harrowing choices that reveal their true character in the face of imminent peril.