Gumption: The Cowboy From Outer Space!

Gumption: The cowboy from outer space!
No, literally, he's an alien who came to the wild West to be a cowboy. When the local apothecarist, Petunia, asks Gumption to escort her to a cave out in the desert for a rare healing flower, Gumption doesn't hesitate to assist. But things take a turn when the pair gets ambushed in the cave. How will Gumption save the day?