A young filly runs to escape the only home she has ever known. A horrible place where the only love was in needle pricks and the only friends where those she imagined. Where everyday she was haunted by the Mark.
A young stallion wakes to find himself stranded in an unknown forest, but was is more confusing to him is the fact that he is a pony. The last thing he can remember before the forest, is his old Human body, and a mysterious friend.
When a mysterious death turns out to be the work of a freak killer, Twilight and her friends must work together to put a stop to the mad pony, before the death toll racks up. (Pre Season 3 finale)