Child actor Yoon Jae-hee, who was thriving and active in the television industry. One day, due to a set collapse accident, Jae-hee had to give up her life as an actress. Contrary to the expectations of those around her that a return to the entertainment industry would be difficult due to various traumas and aftereffects of the accident, Jae-hee makes a stunning comeback to the industry, this time as a drama writer instead of an actress. As if to compensate for her unfortunate past, the name Yoon Jae-hee as a writer gradually gains fame, and she attends auditions at a planning company where she had past connections for casting lead and supporting roles in her new work. There, she meets a child. Won Hae-young, the leader of the girl group Raz Girl and a rising star as an actress. -Worst. However, Jae-hee gives Hae-young the worst score for her acting and decides to cast another child instead. This is because Hae-young's acting seemed to mimic her own past performances. “Do your own acting. If you want to last long as an actress.” At Jae-hee's advice, Hae-young shows her true acting, and Jae-hee becomes captivated by Hae-young's performance. When she comes to her senses, she realizes that Hae-young's long eyelashes are right in front of her. “Teacher, breathe.” With the thought that she must be crazy, Jae-hee feels the weight of her mistake. She shouldn't have trusted her own judgment. From the moment she saw Hae-young's acting, Jae-hee finds herself thinking about it every moment and helplessly drawn to Hae-young. Can the relationship between the writer and the actress, who met in the entertainment industry, transform into love beyond the business of showbiz?