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.
Starlight is asked to teach Blueblood a lesson. The choices her heart makes will save or doom Canterlot. Ch48:With everypony's life at stake, Starlight learns a special somepony thinks her more precious than life itself.
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.