The main characters are Joaquín (Gustavo Bermúdez), a famous businessman, owner of a motorcycle manufacturing plant, and Manuela (Ana María Orozco), his maid. After the death of his friend Sergio Miranda and his wife in an airplane crash, Joaquín became the legal guardian of Miranda's four orphans. One of these orphans is Pilar Miranda, who is really the daughter of Manuela. Manuela had gotten pregnant at the age of 15 and had to give up her newborn daughter for adoption; years later, she became a journalist and began searching for her child. Upon discovering that Pilar had been adopted by the Mirandas, she took a job as a maid in their home. Upon the Mirandas' deaths, she came along with the children to work for Joaquín. To avoid revealing her true identity, she works under the assumed name of "Ramona".