Since childhood, the female lead has been strictly forbidden by her adoptive mother Sloane to touch music. With her grandmother’s secret protection, she secretly practices and masters violin and piano without professional teaching. To raise surgery fees for her grandmother’s renal failure, she signs up for a singing competition. She suffers deliberate difficulties from Valerie and public suppression from Sloane, and is falsely accused of plagiarism and blacklisted in the industry. Cornered, she signs a ghost-singing agreement with Aria. After the hidden deal is exposed, she is criticized by the whole network. While her life experience gradually comes to light, she experiences multiple blows including Sloane’s falling death and misunderstanding her biological mother Aria as the murderer. Finally, she finds out the whole truth with Echo’s help.