The saga of Monte Segundo, Rosa Bustamonte and Billy Cabott continues as the trio is unwittingly drawn into a military search and rescue mission along the 1916 U.S.-Mexican border. Soon it is discovered that the woman they are looking for, an Eastern aristocrat, was not injured or lost but has been kidnapped. Believing the woman has been taken by bandits, the search continues deep into Guadalupe Canyon. However, what the combined patrol of civilians and soldiers eventually discover stuns everyone but must remain a closely guarded secret.