Laura makes spooky observations as soon as she starts her job as a teacher for two orphan students at a plantation. She concludes that it has something to do with the former caretaker and his romantic partner.

Ivan Canabrava is a writer, turned insurance ivestigator who investigates mysterious deaths involving Bufo Marinus. Bufo Marinus is a frog poison causing catalepsy in humans, simulating death, enabling grand insurance fraud and other crimes. Ten years later, now as a successful writer, similar characters possibly using Bufo Marinus reappear and create an intricate plot full of surprises.

The adventures of Pedro, a musician who is trying his luck in Rio de Janeiro, in the 1950's. He leaves his hometown Belo Horizonte to share a lodging with his brother Carlos in Rio. During one of his gigs, he meets Arlete, a singer in a vocal group and fall in love.