r. Sam Stein has created the CAVE (Computer Aided Virtual Environment) system which creates a virtual environment that allows a medical professional to enter the mind of an individual to treat them. Their first subject, James Kendal, suffers from schizophrenia and while Stein was able to observe the psychosis, it will take a number of attempts to successfully treat him. Stein is quite shy and has never had the courage to tell a member of his team, Dr. Rachel Carter, how much he likes her. When Rachel is the victim of a hit and run however, he uses CAVE to enter her comatose body and intends to keep her company until she awakens. He is convinced that Rachel is conscious but trapped in her own body. A colleague can't help but wonder however if the Rachel Sam sees in the CAVE isn't just an image from his own mind. The explanation lies elsewhere forcing Sam to make a choice.

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