In the glittering world of stardom, Ryu Seon Jae shines as a top-tier celebrity, capturing the public’s attention ever since his debut. Despite the facade of a perfect life, the demanding nature of the entertainment industry has left him completely exhausted. Im Sol, a devoted fan, harbors a deep affection for Ryu Seon Jae. A childhood accident shattered her dreams, yet the comfort she found in Ryu Seon Jae’s music on the radio transformed her into a steadfast fan. The story takes a touching turn when Im Sol, devastated by the news of Ryu Seon Jae’s tragic death, experiences a miraculous stroke of luck. Transported back 15 years, she encounters Ryu Seon Jae as her 19-year-old high school self. Im Sol faces the daunting challenge of changing the course of her future, driven by an unwavering determination to avert the impending tragedy.