Terror stalks the halls of Canterlot High as student and faculty alike find themselves forcibly divested of their underwear. Sunset Shimmer and her friends set out to stop the panty thieving scourge.

Will the mad plans of Sonata Dusk be foiled? Will Twilight Sparkle's naughty secret get out? Will Rarity find herself severely overworked trying to replace the underwear of the entire population of CHS? Will Rainbow Dash stop making all those stupid innuendos?

A deranged slasher movie style fanfic.