In the hot summer, a yellow school bus carrying young men and women who love singing and dancing came to a summer camp in the suburbs. The children were excited and eager to release their love for music here. This year, the young director Art Gates was ambitious and decided to put the classic masterpiece "The Phantom of the Opera" that had not been rehearsed for ten years on stage. This news deeply touched Carmela (Allie MacDonald) and Buddy (Douglas Smith) who were helping in the kitchen. It turned out that ten years ago, the mother of the siblings, who was a famous opera singer, was killed after the performance of "The Phantom of the Opera". The incident made them close themselves, but Carmela could not suppress her desire to sing in her heart, and finally she plucked up the courage to sign up for the selection of the heroine Sophia. However, as she walked towards the sun, the terrifying demon ten years ago seemed to wake up from silence... This film is adapted from real events.