Newt Arnold

Young teen Mikey Walsh and his friends set off on a quest to find Pirate One-Eyed Willie's treasure in hopes of saving their homes from demolition. However, on their quest to find the treasure, they run into a family of recently escaped criminals, determined to capture the kids and reach the treasure first.

An expedition into the interior of Papua New Guinea comes across a tribe of ape-like people who may or may not be ancestors of early man.