When Madalena’s mother died, she left behind a story about a mysterious secret located somewhere in their little hometown of Fatima, Portugal.
Madalena thinks the secret is about a great white bird, whose discovery would save her family by giving new life to her bird-watcher father, whois lost in grief. She sets out on a search, along with her little brother Tomas and a boy and girl whose true identities are unknown to her. In the adventure that ensues, Madalena must grapple with issues of friendship, betrayal, love and faith against the backdrop of the 100th anniversary of the Miracle of Fatima. And in the end, the secret she uncovers will change her life.