Luke Burgoa is an ex-Marine on a solitary covert mission to infiltrate the Basque separatist organization ETA in Spain and help bring down its military commander, Peru Madariaga. Luke hails from a Basque ancestry that came with the Spanish empire to Cuba, Argentina, Mexico, and, seventy-five years ago, to a Texas ranch. Neighbors consider the Burgoas Mexican immigrants and exiles of that nation's revolution, but the matriarch of the family speaks...