Depressed and plagued by insomnia, King Philippe V of Spain lies awake in his chamber. The queen, desperate to find a cure, hears of Farinelli - a castrato with a voice so divine it has the power to captivate all who hear it. Even Philippe is astonished when Farinelli sings, and he begs him to stay. But will Farinelli, one of the greatest celebrities of his time, choose a life of solitude over fame and fortune in the opera houses of Europe? And will his extraordinary talent prove to be a curse rather than a blessing?