In the dark side of Rio de Janeiro, vampires deal vampire powder, which provides its users with a small taste of immortality. They work for Limbo Corporation, a company dedicated to the shady business, whose CEO is Limboman. Vlak and Michele reign supreme in the city. But Vlak has a restless spirit and decides to yank from his gums the fang chip through which he is monitored by Limboman. He has a mental blackout and starts to roam the city streets. Michele, searching for a new partner, meets Draco, a decadent vampire and former nemesis of Vlak. Their meeting encourages Draco to go back to the streets where he meets Daphne, a ripper psychopath who attacks her victims with a chainsaw. Draco joins her to find Vlak and avenge himself. Vlak, however, is abducted by Wang Su, a Chinese woman that is ruling the underworld in Rio. Wang Su wants to use Vlak to defeat Limboman and take over the command of the shady business.
In the south of Brazil, cattle raiding and criminal fires are a huge problem to farmers, until the arrival of the Black Gaucho, a masked knight, a mixture of legend and punisher.
The diabolical Ratam (Paul Reis) takes over the planet Antar, after the death of the emperor, and orders that all children be enslaved. Always kept within the palace, Princess Xeron (Xuxa) believes that the people of her kingdom are happy. Meanwhile, outside, the princes Mussaim (Mussum) Dedeon (Dede Santana) and Zacaling (Zacarias) join the Nameless Knight (Renato Aragão), so that together they can defeat Ratam.
Baixo Astral, an evil spirit who lives in the sewers, and whose mission is to bring unhappiness to the world, sees Xuxa on TV asking children to fight for a better world. Threatened by those words, he declares war on her and devises a plan: helped by his allies Titica and Morcegão, he kidnaps Xuxo, her dog. Helped by Xixa (a gypsy caterpillar) and Rafa, a rebel teenager, Xuxa goes on a mission to get her dog back and save the world from Baixo Astral.