Abyss of Passion.

Rosendo Arango, the owner of Grupo La Anita, is married to Alfonsina. They have one son, Damian. Estefanía Bouvier is married to Augusto Castanon and they have one daughter, Elisa. Rosendo cheats on his wife with Carmina Bouvier, Estefanía's sister. Damian and Elisa become friends because Augusto and Rosendo were best friends. But one day, Rosendo and Carmina try to go away from La Ermita, the pueblo in which they live in. But, Estefanía, who had found out about their plans, wants to prevent this, shuts Carmina in her room and then goes with Rosendo in his car, trying to convince him not to run away with Carmina. They have an accident and die and everyone thinks they were lovers.