The story follows two girls, Sarah and Emma, who are best friends. They are completely opposite. One day, they stumble upon an ancient book that is rumored to possess magical powers. Excited by the possibility of adventure, they decide to try a spell that promises to grant their greatest wish. The spell, however, goes awry and accidentally switches their souls into each other's bodies. Sarah and Emma are left stunned and confused as they wake up in each other's bodies.