Vivaldi spent part of his life as the music director in an orphanage in Venice. The story on this cassette focuses on the life of a fictitious character, Katarina, who enters the orphanage with many questions about her past, an intriguing mystery to her. When she accidentally drops and breaks a Stradivarius violin, she feels compelled to break some of the rules of the orphanage to have it repaired. She ventures out at night onto the gloomy canals of Venice with the hlep of Giovanni, the gondolier. We pick up clues to the mystery of her past along the way as two dozen exerpts of Vivaldi's compositions flow throughout the scenes.