A feed from the new Terran Internet to the Diluvian Backbone increased Diluvia's awareness of Terra. Then the Adornments of Glory were stolen; their power could open the portals wide to an invasion of Terran soldiers.
Feldspar was chosen go to Terra and recover the Adornments. Thanks to an ill-advised oath, Feldspar and her best friend can't have sex until the Adornments are returned. Can two lust-crazed Diluvians defeat a well-organised conspiracy? They'd better, or both worlds face destruction.