Beneath (2013)

A coal miner, mourning the loss of his friend, takes his daughter on one last retirement party at an abandoned mine. However, they soon find themselves trapped in the underground mine, with limited oxygen and no way out. As the lack of oxygen starts to affect their minds, they begin to experience hallucinations and the line between reality and insanity blurs. With tensions rising, they must find a way to survive and escape before it's too late.