Britanny and Ayane defend the skull-grey tower from Keldoor as he puts it all on the line with one gigantic siege! He's allied himself with the mother of all Gigasect Hivequeens and her endless brood, while Brit' and Ayane's teamwork hits snag after snag. Why aren't their new friends, Cheecha and Eayna, helping? Have Brit' and Ayane been betrayed!?