“Destino Maior” tells the story of Lúcia Cruz, a humble woman who believes she lost her daughter at birth, unaware that the baby was sold by her own stepmother to a wealthy family. Eleven years later, while struggling to support her sick sister and survive life's hardships, Lúcia crosses paths with Matilde, a girl in danger whom she ends up saving. This encounter leads her to Eduardo Ferreira do Vale, the child's adoptive father, who later hires her as his daughter's nanny—unaware that he is bringing mother and daughter face-to-face once again. As the bond between Lúcia, Matilde, and Eduardo deepens, a love story unfolds, shaped by secrets, guilt, and intertwined destinies.