Do you know that saying, "Never trust a pretty girl with an ugly secret"? That seems to be the motto of Alison DiLaurentis, or as some call her, Alison Riddle. She tries to hide who she is, pretending to be just a new student in the Hogwarts School of Witchcraft and Wizardry, but she has on her conscience another saying: "No one can wear a mask for too long."