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.
Teo, an intrepid child, lives with his father Luis in Lima, an electrician devoted to the creation of a strange machine. Lured by a feeling of independence, Teo joins a gang of young criminals, bringing turmoil to the relationship with his father.
