Commissioner Cain is back in action, rescuing the governor's daughter on a planet in rebellion. However, behind it lies something more sinister - Genestealer hybrids! The search for the source of the alien threat leads Cain to a drifting space hulk, where it seems safer than next to the governor's obsessive daughter. But when the Order of the Reclaimers suffers terrible losses at the hands of the Great Devourer, Kain and his faithful assistant Jurgen find themselves alone. With the Tyranids awakening and with the Orks roaming freely, there were no places left to escape to or to hide. So Cain must show all his ingenuity and cunning in order to leave the wanderer unharmed.