Game Warden Mark Ellis investigates the disappearance of a young aide in the Humboldt Redwoods State Park. Meanwhile, Councilwoman Laura Romero addresses a desperate community on whether to open their doors to mining company Petras West.
Mark recruits the help of an unlikely local to help piece together Chelsea's mysterious death. Laura begins negotiations with Petras West and their cunning senior attorney, Maria Campbell.
Mark and Captain Higgs form a plan to eliminate a grave, new threat discovered in the park. As Chelsea is put to rest, Laura attempts to make things right with Mark.
Backed by an inter-agency task force, Mark descends on a massive, illegal grow operation deep in the park. Negotiations over the Petras mining permits heat up as Maria calls Laura's bluff.
Fresh off an excruciating defeat, Mark reverts to self-destructive habits and finds himself tangled in Arthur's web. Laura makes a final decision on Petras and her career.
Miguel is missing. The walls begin to close in on Arthur as pressure mounts for him to convince Laura to sign the permits, with an unhinged Mark breathing down his neck.