Triángulo (English: Triangle) is a Mexican telenovela directed by Arturo Ripstein and Sergio Muñoz and produced by Ernesto Alonso for Televisa in 1992.
Ivan wants his brother to feel head and threatens to send him to Brazil with his cousin, Willy, to leave that bad life he is taking.
Arcadio Villafranca, father of Iván and David, is assassinated, and Salvador is defendant of the crime and sentenced to prison.
It is then when Mrs. Ana, mother of Iván and David, takes to Sara to live to the house of the Villafranca, before the disease of Rosaura and the joy of Ivan.
The evil Rosaura decides to take advantage of the arrival of Sara, manipulating it and manages to convince it that it gives to the boy in adoption.
When the deceit of his wife is discovered, Ivan divorces her and decides to ask Sara for a couple, although she is not very convinced that she has stopped loving David.
Sara accepts, but soon around her, they begin to weave nets of intrigue, since her friend, Doris, also fell in love with Ivan and wants to avoid that they marry.
His Uncle Basilio also gives his support to Ivan, telling him that he was the one who raised the company when he was ruined, that he has worked hard for her and has every right to his part; In addition, Arcadio decided that he was his son and that no one could take that right.
Sara visits with her son and David tries to persuade her to return with him and that now she will make her happy, but the boy refuses his real father, which saddens him.