In the quiet Middle Rio Grande valley, inhabited by generations of Spanish families in the New Mexico Territory, life focused around family and faith. The wealthy hacienda owners grew their crops, raised cattle or sheep, or grew grapes for the local wine. Workers took care of their families and merchants enjoyed their profits. Only the unpredictable weather of New Mexico frequently interrupted the tranquility.Then a young priest arrives from Mexico with a strange quest. Taught by his mentor, Father Teo, Diego fights against the evil he believes has entered the Rio valley. It followed the beautiful and mysterious señorita named Valentina. All the young caballeros wanted to catch her eye and become her desired suitor, but only one was successful.

She chose a timid young man, Armando Perez, who may pay with his life's blood.