[4] To write the script, Maneglia immersed herself in a long investigation that began in 2014, when she traveled to the interior of the country to interview "plata yvyguy" (treasures buried during the Paraguayan War)[5] seekers.

During the writing process, the material was corrected by Fernando Castets from Buenos Aires, scriptwriter of the Argentine film "El hijo de la novia".

The script was developed in collaboration with Mario González Martí and the comments of Paraguayan audiovisual producers, such as Alicia Guerra, Sergio Colmán Meixner, Maribel Bosio, Tito Chamorro and Marcelo Tolces, among several others.

[7] The National Symphony Orchestra of Paraguay (OSN), with 71 musicians under the special direction of Sergio Cuquejo, recorded the original soundtrack composed of 36 tracks created by Derlis A.

[8] In the musicalization also collaborated the Band of Musicians of the National Police, the guitarist Berta Rojas, nominated three times to the Latin Grammy awards; Patrick Altamirano, Mauricio Rodas, René Ayala, and Luis Chaparro.