Zé Maria Magalhães is an innocent young man who, suddenly, sees his dreams and family destroyed by a man's greed: Miguel Ferreira da Fonseca, a powerful banker. For 15 years, Zé Maria is forced to remain hidden, in a life of lies, in another country, imprisoned by the memories of the past, having to assume a new identity. Today, he is a great farmer, owner of the Ouro Verde empire, known as Jorge Monforte, and has become one of the richest men in Brazil. The course of time only fueled his desire for revenge, making him lose the sense of right and wrong and the ability to love. Fifteen years later, he returns to Portugal, ready to avenge the past and destroy Miguel Ferreira da Fonseca.

Cacau is an engaging saga of family secrets, clandestine loves and sacrifices, all sweetened by the irresistible taste of chocolate and the magic of cocoa plantations.

Maria Miguel, a young, optimistic 21-year-old girl that lost her mother to cancer three years ago and has never met her father, is forced to struggle daily to make a living in a local pizzeria in order to pay a debt. Her life changes dramatically when a wealthy family takes her to live into their house after a bike accident which saved the family's children.