After recovering from a near fatal car crash Jennifer (Nina Ferrari) develops severe insomnia. Unable to sleep and feeling like she is losing her mind, she retreats with her husband David (Tyce Bune') to a relaxing Bed and breakfast in the country on the advice from her doctor and finally get a good night's sleep. Slumber comes at a price however and Jennifer soon finds herself sleeping with one eye open. Nothing is as it seems in Sleep Walker.