"Nuestro Juramento" is the life of the singer, Julio Jaramillo, presented episodically, having as background his childhood, youth, his first loves, the apotheosis of his career and his dramatic end. The musicalization of the film has the singles taken from the singer's original recordings.
| Directing | Alfredo Gurrola | Director |
| Writing | Sérgio Román Armendáriz | Original Concept |
| Writing | Jorge Patiño | Writer |
| Production | Javier Ortiz Tirado Kelly | Executive Producer |
| Crew | Pedro Torres | Cinematography |
| Editing | Sergio Soto | Editor |