A Turn Of Events

Sebastian died, Clary saw his life drain out of his eyes in front of her. Everyone has moved on with their lives, however distraught Sebastion and his army left them, they picked up their broken pieces and is stitching them back together. Convinced that Sebastion's chapter had finished.

Well, turns out that the dead doesn't like to be forgotten...

I guess it's a chase yet again for the shadowhunters, but this time, maybe they aren't chasing who they think they are...