Thames is sent to deliver a package to Straub, evil inventor and master of the Artificer's Guild. Inside the package is a request to kill Thames. Wile delivering her own package, Raimi is confronted by the City Watch and must fight for her life.

The couriers must deliver their packages while dodging the Shedu - demons that stalk the night on this sacred Halloween. While on her run, Raimi is trapped in a house full of zombies and must find a way out. Thames is probed by demonic aliens who seek to learn about his past and future.

Maddox entrusts Thames with the world's most sought after package - a little girl. Thames must ask for Marilee's help.