A tale about a deal with the devil and a feel-good romance. In 1900 romantic Vienna, a young composer, Anton Becker was fighting to be the best. But the stuffed shirts of tradition considered his radical music ‘barbaric and loony.’ In truth it was brilliant, but only to discerning ears, such as those of Lisa von Schelling, the off-limits love of his life. And also, to the ears of the Prince of Darkness, who was desperate to upgrade the cringingly awful music of hell. The heavenly angel Ludwig van Beethoven gets involved, and so does a gargoyle angel from hell, Villi, who, back when he was human, had been a cruel-hearted music critic.