Commander Vasco Moscoso de Aragão entertains the small town of Periperi with the stories of his many adventures travelling around the world as a captain of the merchant navy. Stubborn Chico Pacheco is the only one in town who doesn't believe his tales.
Two teenagers from different social classes fall in love after meeting in a conflict at a party and will have to face challenges to be together.
Deep in the Amazon rain forest, there is a lost subterranean city. The place was built by Vikings who crossed the Atlantic Ocean and ventured up the Amazon River, and shelters a mysterious treasure. In order to find the secret location, Bárbara and the children Riacho and Manhã will have to face many challenges. Vicious snakes and dangerous pendulum blades are only the beginning of our heroes' adventures.