La malquerida (TV series)

The story of Acacia Benavente, a girl who loses her father Alonso in an accident while he was riding his horse. When her mother Cristina finds love again after being widowed for just a year, Acacia is enraged and leaves the ranch in which they live in to go live with her grandparents. She returns 12 years later, now a stunningly beautiful young woman and without her realizing it, awakens in Esteban, her stepfather, a deep and passionate desire. - IMDb