Butterfly Effect

"Juyeon" (Hong Soo-ah), a vocalist of the band "Butterfly Effect" who can't do anything. In front of her, who quit music because she was hit by reality, her father's time limit sentencing suddenly hit! It's falling. My father's last wish is to see the main character on TV before he dies! In order to fulfill his father's last wish, "Juyeon" decides to go on stage again with his genius guitarist and friend "Seung-gi" (Yoon Sung-mo)…