After attending an assertiveness seminar by Iron Will, the Cutie Mark Crusaders set out on a mission which they should have done long ago: Give Diamond Tiara the worst day of her life.

Being a princess isn't all it's cracked up to be. Princess Twilight Sparkle finds this out for herself on the first day when her new title brings along things she would rather not deal with like politics, bureaucracy, stress, and most importantly, not being able to spend time with her friends.