As the friends continue on their road trip to Joshua Tree, they are repeatedly tormented by mysterious and disturbing occurrences at each stop along the way. They begin to suspect that there is some malevolent force targeting them, but they are unsure of what or who is behind the terror.
As the friends delve deeper into the mystery, they uncover a dark conspiracy involving a cult that worships an ancient deity that demands sacrifices to appease it. The friends realize that they were chosen as victims for this ritual, and they must fight for their lives against the cult members who will stop at nothing to ensure the deity's satisfaction.
As the friends struggle to survive and uncover the truth behind the terror that has plagued their road trip, they must confront their own fears and secrets in order to defeat the sinister forces at play. In a thrilling and suspenseful climax, the friends must make a final stand against the cult and their dark deity to escape with their lives.
In the end, they learn that the true source of the terror was not external, but an inner darkness that they must conquer in order to truly be free from the horror that has haunted them throughout their journey.