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.

A native America named Thunder returns home only to find that his ancestral burial ground is being destroyed by construction workers. He tries to put a stop to it, but the law is not only not on his side, but he is banished from town, beaten up, and left for dead. Now he wants his revenge...

They took his wife... but he's still Walking Tall, they drew First Blood, but he's gonna fight back like Billy Jack.