A Muralha is a Brazilian telenovela that first aired on TV Excelsior in 1968. It is based on a novel by Diná Silveira de Queirós.

Renato and Miro are black brothers raised by a white family in an old mansion in Rio de Janeiro. Renato, a graduated lawyer, has always looked for dignity, winning in life due to his honesty and search for social recognition. His brother, on the contrary, is a rebel small time crook who believes his behavior is the product of the treatment he received while being rased by the whites.