The Chemos and the Pachecos are two gangs whose adventures are witnessed by the doctor, the assistant and the social worker of a clinic where they know of the young men's problems.
Carmen Salinas
Gilberto Trujillo
Alma Delfina
Fernando Manzano
María José Garrido
Víctor Lozoya
Andrés Valdéz
Israel Leguizano
Claudia Sánchez
Carlos F. Pouliot
María Luisa Coronel
Alfredo Bustamante
José Luis Avendaño
Mário de Jesús Morales
Saulo Sedano Medina
