In the bohemian 1960s Rio de Janeiro, the 16 year-old rebel and reckless teenager Marcelo, a terrible student that plays hooky from school, dreams on leaving his home and move to São Paulo to work hard, make money and travel abroad to visit the world.

Sad with her grandfather's death, Maria goes on vacation with her friend João on board a jeep. After being threatened by three thieves and helped by a Japanese traveler who opens their eyes to the mysteries of love, a pair gets lost in the forest and ends up at the home of a strange woman, who turns out to be a powerful witch Astarte. Realizing the danger they are in, Maria asks for help from the forest beings who teach her the secrets of the four magic keys: earth, air, fire and water. With these teachings, Maria leaves for the final confrontation against Astarte.