Post War Dream

When bodies start popping up all over the world without any evidence being found, naturally the police start getting interested. Castielle becomes intrigued by this mysterious Ghost assassin and begins looking deeper into the cases. At the same time Dean Winchester comes in to the New York precinct ready for his old job and Castielle is immediately smitten with the 30 year old alumn. As she spends more time with him, she begins to open up about her time in the military and the nightmares that haunt her. But when a close friend of hers is shot by the Ghost, it's up to Castielle and Dean Winchester to find the killer.
The Ghost will lead them on an epic journey across the world and soon enough they find the world's best detective to help them. But will they be able to find the Ghost? And when they do, whose name will be lurking underneath the mask?