After a fall, intelligent young Plácido becomes a little slow. As an adult he works at a bank and his keen intelligence returns when he drinks the soft drink "Super Plá". Other side stories include the love relationship between Baby Stompanato and Joana Martini, and the life of Majô Prado, a neurotic millionairess and prominent personality living in São Paulo.
Rodrigo Santiago
as Plácido
Bete Mendes
as Titina
Marília Pêra
as Joana Martini
Helio Souto
as Baby Stompanato
Irene Ravache
as Majô Prado
Jofre Soares
as Jonas Jazão
Walter Forster
as Dr. Werneck
Karin Rodrigues
as Lucy
Othon Bastos
as Thompson
Elísio de Albuquerque
as Argemiro
Margarida Rey
as Frau Guilhermina
Ana Rosa
as Pepita
