All her life Mariana Bucket had to work. She worked to care for her brother, she worked to care for her mother, for her father, for her grandparents even. This thankless job dashed her dreams but never her spirit. Her and her brother Charlie both love chocolate, so when it is announced that one of the precious treats they get once a year could hold a ticket to the greatest chocolate factory in the world, excitement and opportunity fill their lives as a new world opens up to them, and for Mariana, maybe even a new love?