In glittering 18th-century Venice, music and love are prized above all else - and for two sisters coming of age, the city's passions blend in intoxicating ways. Chiaretta and Maddalena are as different as night and day. The two sisters were abandoned as babies on the steps of the Ospedale della Pietß, Venice's world-famous foundling hospital and musical academy. High-spirited and rebellious, Chiaretta marries into a great aristocratic Venetian family and eventually becomes one of the most powerful women in Venice. Maddalena becomes a violin virtuoso and Antonio Vivaldi's muse.