Socially awkward teenager Ryan discovers that the night his sister disappeared, she had played ‘The Elevator Game’ — a ritual conducted in an elevator in which players attempt to travel to another dimension using a set of rules found online. Ignoring warnings, he resolves to follow and find her.

Ethan, always the nice guy, wakes up in a new reality at Christmas. Initially, he is enthralled with his new life but soon realizes that it’s not what he thought it would be.