Teenagers Zach and Josh have been best friends their whole lives, and their loose banter about comic books and girls demonstrates an innocent, enjoyable bond. But slow-brewing jealousy leads to a gruesome accident and cover-up, with both young men dealing with the new secret in different ways. In the aftermath of the accident, a wedge between Zach and Josh propels them down a rabbit hole of escalating paranoia and violence with life-altering ramifications.