Orphaned in a train wreck, young Gallow Drop finds comfort in the friendship of the Mane 7 and an engineer named Ironside. But as events unfold, this friendship will be strained to its breaking point. Will Gallow and Ironside find a way to mend the bonds that once held them together, or will their self-destructive tendencies prove to be their undoing? Note: this story contains technical explanations of locomotive technology and various references to the human world.