After an encounter with a certain stranger-turned-friend on a late train to Canterlot, Flash Sentry goes back to where he started from, figuratively and literally, to get some insight. Coming from a heroic lineage filled with legendary guards, captains, doctors, and law enforcement over the centuries gives a lot of pressure to live up to it all. His earliest ancestor was the founder of the Royal Guard, and his own father was a legendary captain. Flash is convinced he doesn't measure up. But some memories might offer some clarity to the situation to see if, by large deed or small; just who Flash is. Not a crush, not a guard, but a Sentry; and just what the legacy of being that entails.