In the shimmering heat of Brazil, 13-year-old Irene discovers a dark secret her father's been hiding: he has another family and even another daughter with the same name.

Irene, 13, is part of a traditional family. One day she discovers that her father has a second family and another daughter of the same age, also called Irene. The two become friends and Irene repeats the double life of her father in a game of secrets and lies.