In the Dublin private school in Mexico, the wicked girl Verónica is mocked by her classmates since she is a liar. She lives with her grandmother, since her parents died in a car crash, and her nanny raises her, telling fairy tales to Verónica every day. When the wealthy and naive Flavia joins the school, she befriends Verónica, who succeeds to convince her that she is a witch, forcing Flavia to help her and give gifts to her. When Flavia travels on vacation with her parents to the family farm, Verónica forces Flavia to invite her to travel with her. The envious Verónica forces Flavia to play witchcraft with her but something tragic happens.