IN THE SMALL TOWN OF SUNDOWN, there are hidden secrets waiting to be found. In their previous adventures the kids from Sundown discovered the little people in the mountain and answered the question "Are we alone in the Universe?" As their lives went back to normal, the kids created the Sundown Adventure Society. After looking for new adventures but finding none, the kids were ready to give up. That's when a strange new mystery presented itself and some of the kids began to investigate. The adventure divided them. Will their fears reunite them to solve a puzzle?