Starlight is asked to teach Blueblood a lesson. The choices her heart makes will save or doom Canterlot. Ch50: On the mend, Starlight recognizes the skipper of the Eagle's Stoop. She's injured, and Starlight realizes it's all her fault.
After joining the Royal Guard, Shining Armor has been looking for an opportunity to climb up the ranks beyond a private. To do so, he volunteers to become Prince Blueblood's bodyguard - from there, things get complicated.
Not long after becoming Equstria's new reigning monarch, Twilight receives a letter from Prince Blueblood. It's not a declaration of war from the land's rightful ruler to the unprincipled usurper who's claimed the throne, and he explains why.