A shy high school student (Madison) has been struggling to hold her family together after her mother's death a few years earlier, becoming a surrogate mother to her father and brothers.

During the holidays, she wishes she could have a "perfect life" like the one she sees her neighbors the Wellmans have. When a freak accident of mystical proportions suddenly grants Abby her wish, she instantly becomes part of the Wellman family.

She soon finds out that her new life isn't exactly how she was expecting it to be.