The book is a work of Western adventure and fiction, set along the U.S.-Mexican border during the Mexican Revolution. The area is a dangerous place, with shifting loyalties among Federals, Revolutionists, and the Hildalgo class. The story follows a man named Del Masters, who is hired as a guide for a woman searching for her missing brother and potential riches. Del finds himself struggling to keep everyone safe amidst the violence and political turmoil of the time.