Lost and heartbroken, Shay Mitchell moves to South Korea after her mother remarries. Not only does she gain a new family, but in the process she loses the love of her life. In an attempt to rebuild it, she pours her emotions into a novel based on her failed relationship and to her shock, the book becomes an international hit, sparking an adaptation in the Korean entertainment world. Enter Park Lee-yang, a multi-talented superstar with a guarded personality and a spotless career. When he is cast to play the leading man in the adaptation, alongside his ex, his management devises a bold plan to protect him from scandal: Shay will join his inner circle and pretend to fall in love with him. Thrust into the public eye and the high-pressure world of the Korean entertainment industry, Shay must now confront her incessant feelings of anxiety, the grief of her past relationship, and the fear of her growing feelings for the cold, enigmatic idol. What will happen when the hearts they keep guarded begin to find solace in one another? In the push and pull of their connection, they find themselves confronting feelings they never anticipated. In a world powered by appearances, can their love survive when the lines between fiction and reality begin to blur?