A Thunder of Drums

Will Lockhart arrives in Coronado, an isolated town in New Mexico, in search of someone who sells rifles to the Apache tribe, finding himself unwillingly drawn into the convoluted life of a local ranching family whose members seem to have a lot to hide.

'The Oilprince' is an unscrupulous businessman. He looks forward to a lucrative deal with the "Western Arizona Bank'. He sells the bank oil wells at Shelly Lake that do actually not exist. The Oilprince learns that the colonists would like to settle at Shelly Lake. So The Oilprince exchanges the scout of the settlers by one of his minions to give them another route. But soon The Oilprince has to recognize that he has not counted on Winnetou, the righteous leader of the Apaches, and his blood brother Old Surehand.

After the Civil War, ex-Union Colonel John Henry Thomas and ex-Confederate Colonel James Langdon are leading two disparate groups of people through strife-torn Mexico. John Henry and company are bringing horses to the unpopular Mexican government for $35 a head while Langdon is leading a contingent of displaced southerners, who are looking for a new life in Mexico after losing their property to carpetbaggers. The two men are eventually forced to mend their differences in order to fight off both bandits and revolutionaries, as they try to lead their friends and kin to safety.

A Union Cavalry outfit is sent behind confederate lines in strength to destroy a rail supply center. Along with them is sent a doctor who causes instant antipathy between him and the commander. The secret plan for the mission is overheard by a southern belle who must be taken along to assure her silence.

Renegades trying to get the army to abandon their fort get the Indians addicted to whiskey, then convince them to attack and drive out the soldiers.