Our hero is a colt named Rough Ryder. Most ponies call him 'Ry' for short. He lived in the vault all his life with his friend Silver Spoon. Our hero is spending time in his Vault room when an alarm goes off. Someone left the vault when they werent supposed to. Someone close to him

(NOTE I have changed this to a Fallout-MLP crossover. It isn't really a FoE fic like I once thought it was. I never read Fallout Equestria to be truthful. It's why I changed the fic's name)