Indian sheriff Thunder is transferred to a small town in the desert. He learns that the corrupt deputy is paid by the drug mob. To protect himself, the deputy sets a trap for Thunder and gets him convicted as dealer. Thunder manages to break out of the brutal prison camp and takes bloody revenge. However he cannot sufficiently protect his pregnant wife.

Powell Davidson and his magician friends summon a spirit in an abandoned pueblo outside of town, unwittingly unleashing a murderous Civil War Major, who is out to kill the descendants of every person who condemned him to death in 1875.