The miniseries tells the story of Leninha, who marries Paulo due to a financial agreement made by her father, Dílson. Her life changes when she meets her brother-in-law, Mauricio, during a trip to her husband's farm in the interior of Rio de Janeiro. The two fall in love and become lovers. Leninha then begins to experience a great conflict: social and moral rules impose on her the behavior of a good wife, faithful and companion, but her desire for Maurício speaks louder. Consuelo, mother of Paulo and Maurício, realizes what is happening and begins to antagonize her daughter-in-law. Upon discovering the betrayal, Paulo starts to hate his brother. At the end of the plot, Leninha decides to stay with her husband, and the couple happily announces that they will have a child. Mauricio despairs, but later recovers in Regina's arms.