Mariel and her friends, live happily, surrounded by nature. One day, a corporation arrives to illegally cut down the jungle and sell wood. With the magic of nature, the children are transformed into cartoons to fight an ambitious witch who wants to destroy the jungle. The fight will be hard, but the kids will be the heroes of their story.

Mariel y sus amigos, con la magia de la naturaleza, se transforman en dibujos animados para luchar contra una bruja ambiciosa que quiere destruir la selva.