Ju Doeun learned from an early age that people are fickle. As a result, she's focused solely on things that don't change—for example, her family's world-famous luxury handbag label IJu. In order to clinch her succession of the company, she agrees to get engaged to a famous designer to bring him on board. However, when she becomes entangled with police detective Gu Seyoung, she finds herself developing real feelings for the first time. Can Doeun learn to let her personal preferences take over?