Events unfold in a fantastic kingdom. Doomed to live in the basement of a huge estate, Ella is forced to obey the orders of Vivian and her ignorant daughters. While Vivian is obsessed with finding rich suitors for her daughters, Ella dreams of becoming a seamstress one day. Meanwhile, Prince Robert rejected a lucrative offer to marry a princess from a neighboring kingdom, which caused the indignation of his father, King Rowan, who demands that his son find a potential bride or give up the inheritance in favor of his younger sister. Accidentally noticing Ella, Robert decides to meet her as a commoner.