Jalil, David, Christopher, and April, trapped in the nightmarish Everworld, regret trading a chemistry book for a knife when the alien Coo-Hatch use its information to build deadly new weapons.
Two members of the alien Tendu species, bound to the human race by a lifesaving link and a sacred pledge of honor, leave their homeland and arrive on Earth, only to discover their adventure may bring about their ultimate downfall.
In a far-distant solar system, Lieutenant Joel Gilmore and his space observation team are suddenly attacked by the very aliens they were sent to watch.