“Perfect Crown” focuses on a hypothetical royal family of the Joseon era, which, in reality, ended in the early 20th century. Despite the hit series' fictional nature, historian Shim Yong-hwan says it still contains many historical inaccuracies, especially in its regency storyline and portrayal of a continued royal family after the fall of Joseon. The series follows chaebol heiress Hui-ju (IU), who orchestrates a contract marriage with royal prince I-an (Byeon Woo-seok) in a fictional 21st-centu