Lucy is a nerdy girl, she have good grades at school but she is not that good at socializing. Once upon a time, when Lucy was alone in her appartment, she finds neck brace and some adult diapers in her closet. Out of boredom and curiosity, she tries both of them and decide to spend a day in a diaper and neck brace. When Lucy is looking for more accesories, that could give her more similar experience, she have an accident, which change her little play in reality.