The plot tells the story of Maria Olivares, a humble peasant woman living with her grandfather Maximiliano in a thatched hut on the Narváez estate. Maria falls in love with Xavier Narváez, a pilot, but his brother Rafael and his wife Carmen oppose the marriage because Maria is poor.

Helena Rojoas María Olivares / Alejandra Balmaseda (Marimar)
Enrique Lizaldeas Javier Narvaez (Sergio)
Beatriz Sheridanas Carmen Valentina Santibáñez de Narvaez (Angelica)
Nelly Medenas Andrea (Brenda)
Tony Carbajalas Dupre (Duarte)