A century has passed since the discovery of the abandoned Heechee space station with faster-than-light ships which opened the galaxy up for human exploration. The mysterious Heechee have revealed themselves to humans and given them the unwelcome news that they were hiding from a third, apparently malevolent, alien race, which they call the Foe. The Foe have demonstrated that they have godlike powers far beyond even the capabilities of the Heechee, and have used those power to wipe out several other civilizations. And now the Foe have learned about the Heechee and their human allies. And they know where we live . . . A novel in the best-selling, award-winning Heechee series.