After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued by bloodthirsty creatures. As their friendships deteriorate, they find themselves in a desperate struggle to survive the creatures and each other.

Paul is a U.S. truck driver working in Iraq. After an attack by a group of Iraqis he wakes to find he is buried alive inside a coffin. With only a lighter and a cell phone it's a race against time to escape this claustrophobic death trap.

When three skiers find themselves stranded on a chair lift at a New England ski resort that has closed for the next week, they are forced to make life or death choices that prove to be more perilous than staying put and freezing to death.