Pinkie Pie has been working with Fluttershy in the murder business for years completely undetected until one day when Rainbow Dash follows them being nosy and finds their shed of horrors and is captured. Then the others look for their missing friend but do they have what it takes to survive the nightmare they find them selves in when they find and free her? Only time will tell as since Twilight and Rarity's horns have been cut which means no magic can help them now.