Plot

The Méndez family runs a cattle ranch and construction company. Milciades Contreras, a rival rancher, harbors enmity towards them after Isabel rejected his love, leading to his harassment of the family despite their peaceful stance.

The Mendez family owns a cattle farm, breeding horses and bulls of Lydia and a construction company. The family is composed of Alejandro Méndez and Isabel Garrido, with his sons Pablo and Helena.Félix Garrido, the Isabel's father also lives with them. The Mendez family is very respected and beloved in the region, although they have a declared enemy, Milciades Contreras, a wealthy cattle rancher, who is also its nearest neighbour. The reason for the enmity with Milciades is due to that it was always in love with Elizabeth, who refused and preferred to Alejandro. Since then, Milciades has dedicated to commit all kinds of outrages in the people and also against the Méndez, who have remained on the sidelines to promote peace.

The tragedy begins when Felix marries a much younger woman, Deborah Buenrostro, very ambitious and dark past.

At the beginning of the story, Diana Rivera, a young veterinarian, daughter of Pedro Rivera, accounting of the Builder and employee confidence in the life of Felix, it includes work on the farm of the Méndez. Diana is immediately attracted by Alejandro, but resists the attraction to be Alejandro a married man. When Elizabeth died in tragic circumstances, Diana becomes the greatest support of Alejandro, who has been sunk, and little by little was created the love between them. However, another new obstacle stands, Pablo Méndez, the son of Alejandro, also love of Diana and does not accept that she constantly rejected. When Paul learns of the relationship between Diana and Alejandro, suffers an accident that leaves him paralyzed. Diana and Alejandro end their relationship because of this.

When Deborah discovers that Alejandro is the real owner of everything, decides to conquer him, for which sets in motion a series of plans that they will mean to all and they mainly harm the Rivera family, Diana and love that Alejandro feels for her, is the main obstacle in his way.