Crystal, a rich party girl, finds a little girl's letter to Santa asking for a new mother, and she vows to win over the father and daughter before the holidays.
Someone at the prestigious Danforth Academy is trying to make the students sick. Is it Mia or Riley, the rich girls? Or could it be Emily, the Principal's daughter? Whoever it is, Abby, Paige, Claire and Taylor will have to put aside their differences and join together to solve the mystery!