Dark times lie ahead when a catastrophic threat emerges. One by all accounts, stands completely immune to the intervention of Guardian Angels. The miracle of Life has never been more at risk. This danger spells doom for every host in addition to their angelic counterparts. A Darkness so devastating, it threatens the fabric of all things. Quietly extinguishing all future dreams and ambitions of a realm that is powerless to stop it. All maybe lost despite the presence of those hidden heroes of legend, known simply as A Secret Cavalry