When Igneous Rock Pie falls and breaks his hoof in the mine, Big Mac decides to go out to the farm and help with the some of the heavy lifting until he gets back on his feet. Not knowing how long he'll end up staying nor what all he'll need to fulfill Igneous Rock's duties, he brings the usual tools and travel gear he normally brings on long trips. He soon finds out however that day to day life on a rock farm is very different from life on an apple orchard