Y/N's life is altered as the owner of L'Opera Populaire approached her after a stunning performance at the Sussex Opera House. The English opera singer is recruited to the Parisian opera house and finds herself casted as the leading lady of all their productions. In the meanwhile, she meets and grows close with the man behind the curtain, but doesn't come to understand his past until reading "Modern Myths and Legends of European Opera". Now, she must grapple with the masked man she has met, and the ghoulish figure she reads about.