Regretting their last encounter, Sombra wishes to try to make things up to Princess Luna... but isn't the rule "once bitten, twice shy?" He has a long way to go...
Spike has remained young while everypony else ages. Is he destined to stay as a baby assistant forever? When Spike receives a letter from Princess Luna, he's faced with a difficult decision that will change his whole world.
Spike is her number-one assistant and that will never change. Even in her becoming a greater princess he has not failed in that role. Isn't it odd how a dragon can compensate for a castle? Twilight discovers his secret... and must save him from it.