Ever since a car accident killed her father and gave her a severe concussion, high school junior Lisa has been plagued by nightmares and hallucinations, but when she accepts a babysitting job in hopes it will banish the disturbing images, she faces new terror as she begins to question exactly who--or what--she is babysitting.

"In the small town of Shadyside, don't stay up late, because horrible things can happen... Both day and night, Lisa Brooks is plagued with nightmares and hallucinations. Could they be caused by the horrifying accident that landed her in the hospital for weeks? When Lisa finds out that a neighbor is looking for a babysitter for her little boy, Lisa jumps at the chance to keep busy and take her mind off of her troubling thoughts. But then the murders start -- and her friends begin dying one by one. Are Lisa's nightmares coming true?"--From publisher.