A group of teenagers who go on a camping trip in the woods. While there, they discover an abandoned cabin and decide to explore it. Inside, they find a hidden room containing a mysterious device that seems to be able to transport people to other dimensions.
Curious, the teenagers begin experimenting with the device, but soon realize that they have opened a portal to a dangerous and terrifying world. They must now work together to find a way back to their own dimension before they are trapped forever.