This is about Shining Armor's childhood and adolescence, since he was born to his promotion to captain of the royal guard, running through his relationship with his younger sister, Twilight, and his courtship with Princess Cadance.
When an envoy of a fallen kingdom appears, a quest to restore the kingdom will begin, whart will make Twilight and her friends enter in a race against time to retrieve the star seeds of the six Generals of the Order to find what might raise it.
What happen when a mare fall in love with her big brother's best friend? Does it brings problems for a fraternal relationship? That's what happens with Twilight. Will she be able to overcome all this problems and get the love?