Hogan rescues a woman from three men who want to rape her and is surprised to find out that she is a nun. Sister Sarah, who is being pursued by the French occupiers of Mexico, goes to see President Juarez's followers. Hogan, too, has it in for the French, but he only wants to disarm the garrison of a fortress because he will get half the French treasure in return. He's been working exclusively for money ever since. So a strange duo, a desperado and a nun, wander the Mexican wilderness...
