From The Back Cover: TRILL:They are a people with secrets. For centuries they kept their true nature hidden, even taking disturbing steps to protect the small population of near-immortal symbionts with whom a privileged few Trill are joined, body, mind, and soul. They are a people who hold memory to be sacred, yet deny their own past. Now amid a whirlwind of scandal, accusations, and growing civil unrest, Ezri Dax must penetrate millennia of lies and deceptions, and rediscover what should never have been forgotten, before her civilization rips itself apart.