She was friends with Princess Celestia. She was the youngest engineering graduate in Canterlot history. She had a future. But things will end badly when Factory Sense, Equestria's best robotics expert, loses everything, including her sanity.
During the ancient conflict between Equestria and King Sombra, a soldier recounts his experiences dealing with the realities of living in a time of war, and he reflects on the day when a chance meeting changed everything.