Su Ling, who had her championship trophy taken away and her vocal cords damaged, anonymously released a posthumous song "Echo of Ashes" that exploded across the Internet overnight, muting the entire concert of top performer Bai Tang. Genius producer Shen Zhao silently arranged music for her, and underground label manager Lin Wanying reshaped her voice. However, Jiang Yan, the manager who framed her back then, didn't know that she was stepping into the sound track prison she had set up. When all the truth is hidden in the melody, who is the real thief?