California, 1848. An invading army has defeated the few opposing forces and the territory has become part of the United States. Don César de Echagüe, an old gentleman, begs his son César to return from Europe, confident that he will know how to confront the oppressor.
The story of two students in a school of terrorism installed in the south of France and considered a "sanctuary" and not by the Virgin of Lourdes, sent to Spain to fulfill a dark mission that failed dismally when mistaken for a priest with his link.