Dark City

In "Dark City," the sequel to "Dark Invasion" by Nathan Hystad, Elliot faces uncertainty as he graduates college while dealing with Kim's mysterious absence. After receiving an urgent letter from a soldier named Buzz, he travels to Seattle, where the search for Buzz unfolds against a backdrop of rising homicides that the police suspect to be the work of a serial killer. However, Elliot and his friends suspect a darker threat is at play, as they discover someone is hunting Spheres.