In Babysitter's Nightmare, Daphne Hart is a compassionate and diligent nurse who is deeply dedicated to her job. But when a young patient dies suddenly under her care, she is accused of negligence and fired from the hospital. Desperate for work, she takes a weekend job as a babysitter for Dr. James Beckman, a wealthy doctor caring for his diabetic young son, Tyler.
Despite the luxurious surroundings, Daphne senses something unsettling about the isolated estate and the strange family that lives there. She becomes even more suspicious when another babysitter in the area is brutally murdered. As she starts to investigate, she uncovers a web of lies and deceit that puts her own life in danger.
With the help of Tyler, who proves to be a resourceful and brave ally, Daphne uncovers a twisted plot involving the wealthy doctor, his manipulative wife, and a seedy underworld of drug trafficking. As she races to protect Tyler and herself from danger, Daphne must confront her own past mistakes and find the courage to clear her name and expose the truth.