The indigenous girl Tainá, the king vulture Pepe, the monkey Catu and the hedgehog Suri are the Guardians of the Amazon. But today it is raining and the animals are all collected. Including them, who are sheltered under a large leaf. Suri, however, is not very happy. She is terrified of rain and says that once she almost got hurt in a storm. One by one, the Guardians tell their stories about the rain. For Catu, rain is very powerful because it can transform simple monkeys into superheroes! For Tainá, the origin of rain goes back to an ancient indigenous legend. Pepe, on the other hand, uses scientific arguments to convince Suri that there is no reason to be afraid of the rain.

The story of an ancient mask that possesses the human form to commit visceral sacrifices of vengeance for the incarnation of its God.

In the story, the wise Master Aí is responsible for training young Tainá to one day become the Guardian of the Amazon. And in this adventure, she will meet special friends: Catu, Pepe, and Suri. Different and inseparable, the quartet embarks on a journey in search of the Blue Arrow, an ancestral amulet that will guide their path so that they can guard and protect the forest from a great evil that puts everyone in danger.