'"Sir, I think we got a problem." Dale said nervously. "What is this time? Monsters? Aliens?" The Sheriff retorted. "A… robot, sir." Dale muttered. "A robot? A robot!" The Sheriff laughed. "Son, that is by far the most ridic-" And then he saw it.'
With the western town of Appleloosa under attack from an unknown rogue robot, Strongbolt Stonewing, and his wife Shiera, must seek the origins of the mysterious mechanical monster and ultimately put a stop to it.