About the film
The Hidden Star of the Sertão is a 2005 Brazilian documentary directed by photographer Elaine Eiger and the journalist Luize Valente. The central theme of the documentary is the crypto-jewish practices maintained by some families in the semi-arid northeast of Brazil together with the search for their religious identity for many converts from the moment they have become aware of their origins.
From the film's Wikipedia article (CC BY-SA 4.0).