The story of the friendship between a truck driver and a shoeshine boy who occasionally becomes his assistant when they travel together from the agro-industrial area of Santa Cruz to the high Andean basin of La Paz in a truck named "Mi Socio".

David Sàntalla
as Don Vito

Gerardo Suárez
as Brillo

Guillermo Barrios
as Cura

Blanca Irene Uría
as Betty

Mariel Rivera
as Arminda

Susana Hernández
as Matilde

Juana Fernández
as Doña Sabasta

Carlos Sandallo
as Novio

Miriam Villagómez
as Novia

Hugo Pozo
as Mecanico