Twilight goes and visits princess Celestia to learn a new protection spell. Not getting much information about it, only that it is to be used as a last resort. on her return to ponyville a new enemy appears and they seem to have no good feelings tord ponies especially earth ponies. After the first insistent, one of the main six is put into the hospital and twilight soon realizes that this make the element useless. How are they to fight off this new enemy, twilight mite just have to use the new spell Celestia has tot her and learn that its no ordinary spell in many ways.