AllMovie

The self-contained mystery/action thriller, similar in concept to Red Eye and Devil, tells of a woman that wakes up trapped inside of a room with no memory of who she is or how she got there. As she fights to find a way to escape, she ends up talking to a man in a room next to hers, that claims he, too, is trapped. As she questions whether or not to trust this man, she starts to remember things from her past that lead her to question not only where she might be, but also what she might be.