Renegades

An undercover cop forms an alliance with a Native American to help him hunt down the criminals who stole an ancient Lakota tribal lance.
Buster McHenry is as an undercover agent for the police. His mission involves him in a robbery. Buster gets shot but Hank Storm, an Indian, helps Buster. Since Hank wants a spear in the possession of the criminals that Buster is after, they team up.