Cidinha and Leda are childhood friends that were born on the same day and time, in the same hospital. In college, they disputed the love of Belo, who got them both pregnant. Cidinha was the one that married him. They gave birth at the same time. Two girls. Cidinha's baby died. Belo switched the children and Leda thought she was the one who lost the baby. Years later, Leda comes back and the swap is revealed. The two friends once again dispute Belo's love and custody of their daughter, teenage Tuca, who experiences a great conflict when she learns that she was switched at birth.
Cidinha y Leda son amigas desde la infancia, nacieron el mismo día y hora, en el mismo hospital. En la universidad se disputaron el amor de Belo, quien las dejó embarazadas a ambas. Cidinha se impuso al casarse con él. Tuvieron los bebés al mismo tiempo. Dos niñas. Murió la hija de Cidinha. Belo cambió a los niños y Leda pensó que era ella quien había perdido al bebé.
Años después, Leda regresa y se revela el engaño. Los amigos vuelven a luchar por el amor de Belo y la custodia de su hija, la adolescente Tuca, quien vive un gran conflicto cuando se entera que fue cambiada al nacer.
Amigas de infância, Cidinha e Leda seguem caminhos opostos, mas invejam a vida que a outra seguiu. O amor de Belo e a guarda da filha fazem as duas embarcarem em uma competição.
