As a fatal infection devastations the world, Dr. Martin Lowery starts a goal to reach examination website ATU327A, a research hub deep in the Arboreal Forest. The difficult trip, assisted by park scout Alma, is set back by a nighttime strike that leaves both bruised and shoeless. When they encounter Zach, a guy living off the grid, they gratefully approve his aid. Zach's objectives aren't specifically what they appear, nonetheless, as well as a path out of the forest and right into safety and security swiftly discolors as the line between misconception and also science blurs.