A young girl hitchhiker causes chaos for Pete Karras and his sons when she and her boyfriend steal the Karras family's motor home.

One of man's most puzzling mysteries is the subject of Pete's photo assignment when he sets out to find the elusive Bigfoot. Scientists and tourists from miles around have been drawn to a small community where daily sightings have been reported of ‘the Wildman of the forest,' better known as Bigfoot. Among the inquisitive are the Karrases, also hoping to find out if this strange phenomenon really exists.