In the far future the Heliothane Dominion is triumphant in the solar system after a bitter war with their Umbrathane progenitors. But some of the enemy have escaped into the past intent on wreaking havoc across time. The worst of these is Cowl an artificially forced advance in human evolution but one who is no longer human. Polly desperate to obtain funds to support her habits is unprepared for her involvement with Nandru Jurgens a Taskforce soldier & the killers pursuing him. Nor can she resist the alien tor which she feels impelled to attach to her arm. But she must learn fast as she is dragged back through time not least that to the denizens of some earlier eras she is little more than a convenience food. Initially the fragment of tor imbedded in Tacks wrist sums up his value to the Heliothane
- a point brought home to him with bloody abruptness. But as a vat-grown programmable killer employed by U-gov he is no stranger to violence. His long journey into the lethal world of the Heliothane is only beginning the extent of his mission just becoming apparent. Meanwhile hunting throughout time & the alternates Cowls pet the tor beast grows vast & dangerous. & the beast continues to feed.