Guerra dos Sexos is a 1983 Brazilian telenovela created by Silvio de Abreu, starring Fernanda Montenegro and Paulo Autran in the main roles.
[1] A remake was produced and aired by TV Globo in 2012, starring Irene Ravache and Tony Ramos.
[2] Charlô (Fernanda Montenegro) and Otávio (Paulo Autran) are cousins, and they inherit an inheritance of their uncle Enrico, that includes a chain of stores and the mansion where they live.
Charlô makes a proposal to Otavio: one of them must give up his part in a bet.