At late 19th Century, the Argentinean Pampa is changing. Martin Fierro is a renegade that fights against the power and corruption that try to subordinate him and to take away his most precious value: freedom. With his strength and courage, Martin Fierro represents the fight for justice. Based on the most important book of Argentinean Literature, "The Gaucho Martin Fierro", the film intends to rescue the current value of the story and the epic character of Martín Fierro for an audience mainly young, especially students and families.

When the jungle is threatened by a giant monster, a young Koati rises up to lead the animals in an epic fight to save their home. As the brave Koati trains to save his family and loved ones, all the animals band together to face the Monster.