Overweight Evangeline suffers years of abuse from her jealous stepsister Rosalie, vicious stepmother and cold father, who secretly feed her fattening poison to keep her ugly. After public humiliation, she finds ancient body-swap blood moon magic in her late mother’s diary. She trades souls with Rosalie, swaps their perfect and obese bodies, and sets a trap. She forces the evil pair to recast the spell to lift her deadly thirty-day curse, leaving them trapped in her fat flesh to rot. Evangeline then strips the family of wealth, punishes all tormentors, and wins the sincere love of the powerful Grand Duke who adores her brave soul rather than her appearance.
