The cast stars Cecilia Suárez as the title character, also featuring Laia Manzanares, Sarah Perles, Mara Guil and Leonardo Sbaraglia.

The film—presented as a "feelgood movie"—[1] is set in Melilla, exploring the blend of cultures in the city,[2] including identity, religious and family issues.

[3] After some time installed in the city, Alegría rediscovers her Jewish roots in the wake of the wedding of her niece Yael.

[2][4][5] Alegría was produced by La Claqueta and Powehi Films alongside La Cruda Realidad, Alegría La Película AIE and 9AM Media Lab, with the participation of RTVE and support from the ICAA, the department of Culture of the Junta de Andalucía, and the department of Culture and Equality of the autonomous city of Melilla.

[8] The film was written by the director Violeta Salama alongside Isa Sánchez.