When Angel's self-absorbed mother leaves her and her younger brother with their poor great-grandmother, the eleven-year-old girl worries not only about her mother and brother, her imprisoned father, the frail old woman, but also about a mysterious man who begins sharing with her the wonder of the stars.

In the city of Olinda, Brazil, Clara is looking forward to the Carnaval street parade, with the colorful, fantastic costumes that her great-grandmother makes for the family--but her Bisa is too old to follow the parade, so Clara decides to bring the parade to her.

Tolly comes to live with his great-grandmother at the ancient house of Green Knowe and becomes friends with three children who lived there in the seventeenth century.