Christian Arredondo Narváez

A man and his dog cross the desert in search of La Frontera, a mighty river that represents the geographical limit with the neighboring territory. Exhausted, they manage to see their goal, but they must cross other obstacles before conquering its waters.

After witnessing an old dark stormy cloud painfully rain and die in sorrow; Noma, a puffy white cloud realizes that Mixtli, her daughter, a dark stormy cloud, is in danger of raining prematurely.

A bullfighter is about to strike the last and deadly blow to a bull that is tired but does not plan to give up. At the decisive moment, the bull will dodge the lethal blow, which will allow him to decide what to do with his seemingly defeated opponent.