Sena/Quina, la inmortalidad del cangrejo

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".

Racial, social and cultural aspects of La Paz (called Chuquiago by the Aymaras) seen through four stories.

The film portrays the 1952 revolution and 1980 coup in Bolivia through the lives of two brothers, Juan José and Martín. Juan José, the legitimate son of Luís, is transformed, by his experiences as a youth in 1950s, to become a boss of one of the groups of paramilitaries during the 1980 coup. Martín, the illegitimate son of Luís and an indigenous peasant, becomes a trade union leader during that period.

An indigenous tradition in the highlands of Peru where three key players take part: a wild condor, a raging bull and brave young men.

A handsome and mysterious stranger, played by Darío Grandinetti, walks into the town square of Villaserena one day and strategically places loudspeakers around the town, blaring a variety of musical tunes. Soon, he begins to sell airtime to the various locals, who broadcast their own personal love dedications and (more frequently) insults for all to hear. A subplot evolves between Abelardo (the stranger), Celeste (a young woman who is chained inside her father's house to stop her running away), and José (a young man).

In Bolivia, Butch Cassidy (now calling himself James Blackthorn) pines for one last sight of home, an adventure that aligns him with a young robber and makes the duo a target for gangs and lawmen alike.

Vito (at present 70 years old) continues in his random adventures: blackmailed by the Patron, a fearsome drug trafficker who Vito managed to lock up in a maximum security prison, now lives hidden in a small Amazonian town. Gone are the glorious days of truck driver with his truck "My Partner". When Vito finally is placed by the son of the Patron, and is in serious trouble, he has no choice but to seek the help of his former assistant Brillo through his daughter Camila. Will Vito return to travel the roads of Bolivia with his old truck "MY PARTNER"? —Paolo Agazzi