Ma belle-mère est une sorcière

After her parents split up, Margot, a quirky preteen, decides to bring her family back together. One afternoon, after school, she's shocked to find a stranger living in her house who appears to have cast a spell on her dad. As weird things keep happening around this mysterious new stepmother, Margot becomes convinced she's up against a genuine wicked witch. Hell-bent on rescuing her family, Margot turns to Madame Dalloway, a self-proclaimed occult expert, hoping she'll help kick out the intruder who's holding her family captive.