Seventeen-year-old Angelica Voglia has the voice of an angel. But in seventeenth-century Rome, the pope has forbidden women to sing in public. To make matters worse, her controlling mother is determined to marry her off to a wealthy bleman, even though Angelica is in love with a poor French artist. Angelica's only hope to sing before an audience and escape a forced marriage is to flee to Queen Christina's court, where she will become the queen's sopra. But she soon discovers that the palace walls are t completely secure . . . and her freedom will require even greater sacrifice than she imagined.