After Sharon and Dean help
free the Yeep people from the underground slavery they were subjected to, by
the troll-like beings called Yagwals, they help the yeep people establish an
infrastructure on the surface of the island. Yeep are tiny sentient beings,
less than a foot tall, and easily learn to adapt to the ways of modern man.
It’s not very long before another human learns of the yeep existence. In a
helicopter raid, a man named Tierley boldly kidnaps several of the tiny
creatures. One of the yeep,
Udooloo, that Tierley kidnapped,
escapes with her yeepoo. All adolescent yeeps are called yeepoo. Udooloo and
her yeepoo are strangers in an alien world, and must find a way to get back to
the island without letting other humans know of their existence. When Dean is
finally contacted, he comes to the mainland and rescues all the kidnapped yeep
that are still living. With all the kidnapped yeep
having escaped or died, Tierley again raids the island to find more yeep.
Tierley has promised specimens of the yeep race to an agent who wants to clone the special tiny beings. Tierley’s presence at the yagwal side of the
island does not go unnoticed. On a mission to discover the strange happenings
at the other side of the island, Dean and others fall through a sudden sinkhole
and Dean is swept down an underground river and ends up trapped deep beneath
the earth's surface. All looks hopeless as
Tierley escapes the island with still more of the tiny beings and Dean has
fallen down a crevasse deep under the surface of the island. Dean’s injuries
are so severe that he succumbs to the ever-beckoning shadows.