House of the rising sun

After a violent encounter leaves four Mexican soldiers dead, Texas Ranger Hackberry Holland escapes the country with the legendary Holy Grail. He then embarks on a quest to reconcile with his estranged son Ishmael and return the Grail to its rightful place. In the meantime, however, a bloodthirsty arms dealer places Holland's son squarely in the middle of a dangerous plot to recapture the sacred artifact.