A heretic priest launches an expedition into the unexplored regions of the frontier forest world of Evergreen, in search of the fabled City of God. A young man seeks his mother's killer amidst a rough-and-tumble camp of off-world lumberjacks. A woman is torn between love for her husband and lust for her stepson. A guilt-wracked man finds himself recruited by a colonial rebellion despite his desire to withdraw into narcotic dreams. An exobiologist studies primate-like creatures she believes have the capability to evolve into the first extraterrestrial sentient species. All the while the consciousness that is the planet Evergreen contemplates the human colony, which it sees as a life-threatening fungal incursion.