Sofia lives with her mother gentle and loving in a huge castle. She is a girl model as it wants, unlike her friends Camille and Madeleine. Sofia is looking for extravagant adventures, loves to do forbidden things and often get into trouble, to the dismay of others. One day her parents had an accident, and she remains in the care of her step mother, Madame Fichini. A bad woman with a heart of stone that makes life a nightmare of poor girls. But Sofia will count on the help of his friends to escape the clutches of this woman.