Perfect Crown: Episodes 9-10 | Visit Dramabeans for K-drama episode recaps, reviews, news, and more! | IU, Byun Woo-seok Set in a Korea with a thriving monarchy, a commoner heiress is frustrated by her failure to pierce the upper crust of society. #perfectcrown Determined to change her life, she convinces the grand prince to enter into a contract marriage. Much to their surprise, the contract marriage marks the start of their true love story.