The film centres on an armed robbery within a bingo hall,[1] within a background in the underworld of drug dealing, sexual perversion, police corruption and a political assassination.

Azucena is a robber fleeing the scene when she is picked up by a young woman, Verónica.

[2] The director used Álex de la Iglesia's graphic work for production design.

[3][4] It was filmed in Bilbao, Bakio, Santurce, Okondo, Getaria, Gipuzkoa and Arrieta,[5] in the Basque region of Spain.

[9] One reviewer noted that the film was "a strange mixture of thriller and comedy", it has "great set pieces" but an "excessively jumbled script".