A group of mariachis receives a letter to be part of the National Mariachi Contest in Mexico City. In order to be able to win they will need to travel together and solve their differences since their prime was 30 years ago.

Héctor Bonilla
as Picho

José Sefami
as Gaspar

Hernán Mendoza
as Aurelio

Roberto Medina
as Marcial

Mauricio Argüelles
as Virginio (as Mauricio Quintana)

César Rodríguez
as Chelupe

Ernesto Loera
as Joaquin

Oliver Nava
as Martin

Martha Higareda
as Flor

Alejandro Calva
as Oficial Reyes