On the entire planet of Ath, there is only one building left, and inside it is the last human being, Ancil, the only man to escape the horror which destroyed the human colonists who came to Ath thousands of years ago. Ancil is a regenerative. He can never die, but will live to see everything change with time.
Ancil is utterly, utterly alone, except for the haunting legacy of the imitators, man-like creatures whose planet this once was before the humans came and annihilated them.
Suddenly, a strange and beautiful cat arrives at Ancil's home, the first living creature he has seen for many years. But the cat is just the first of the extraordinary phenomena about to enter Ancil's life -- and before his story's over, you will wonder where the mind ends and reality begins...