Buck is sent to town for a mule but returns with a camel and man who sold it to him. However, horses can't stand the camel and the men can't stand the smell of the man. Buck is in trouble when the camel and hand prove to cause problems.
A sergeant erroneously tells Stinky Flanagan to shoot his camel who is holding up the Army. Flanagan has no heart to kill Tillie so he releases her but she returns after scaring Buck's horse forcing Buck to walk to Tucson. Buck was sent to town with $40 to buy a mule. In a saloon Buck meets Flanagan who has deserted the Army with Tillie. He tells Buck how useful camels can be in the desert so Buck buys Tillie instead of the mule and returns with Tillie and Flanagan with the hope Flanagan can work on the ranch. Problems start from the beginning when the horses all react poorly to the camel and later when Tillie is scared by cattle. Flanagan causes more problems when he intrudes on a date for which Manolito is late. Flanagan decides to leave with Tillie leaving the Cannon's with no mule or $40. An angry Manolito catches him as they hear an Army retreat bugle call. Flanagan and Manolito follow the sound. Apaches are attacking the Army and encircling them. Flanagan rides into the attack causing the Apache horses to scatter in fright. Flanagan is accepted back by the Army and leaves the Cannons with a questionable mule.—Anonymous