The Equestrian Royal Secret Secret Service, also known as the E.R.S.S.S, is the true line of defense standing between the royals and the populace against the dangers of Equestria and beyond. Dark Star, a unicorn aspiring to be part of the Royal Guard is recruited for the E.R.S.S.S and is thrust into a world of secrecy where all the bedtime stories and old mares tales are real. Where he must leave his family and old life.