Spain, 1808. The Napoleonic Army suffers its first defeat at the hands of a single man: a drummer boy who used the Montserrat mountains to echo his drums and send the enemy troops into a panicked retreat. When the news reaches Napoleon, he furiously orders the captain of the Imperial Guard to bring back the head of the young hero responsible for his army's defeat…

A bird that wants to become a hero, a carrier pigeon with an endless list of achievements under his belt and a mouse inventor who want to fly at all costs are some of the characters in this animated film. Peace reigns in a farm located in the forests of Argonne (France), where the rooster no mercy to his son how to wake up and the sheep are all one. But running the year 1918, and the war between humans begins to touch them closely when an army captain pigeon lands in order to enlist some birds, among which strain the little bird.

Chico is a young piano player with big dreams. Rita is a beautiful singer with an extraordinary voice. Music and romantic desire unites them, but their journey - in the tradition of the Latin ballad, the bolero - brings heartache and torment.