Homonus Nocturna; Vampires to all the laymen out there, have been pretty used to having the twilight hours to themselves for hunting prey. They now have something other than the Vampire Slayer, Daywalker Blade to fear.
A far deadlier newer species, the Tryks have no qualms or conscience about tearing apart their kinsfolk.
Blade gets word of the new threat when he visits the survivor of an attempted 'gangfanging'. He reveals far too much information to this woman, who he already feels attraction for.
Kwate and Couleur, a pair of agents for a shadowy organization, identify the evolution of the contagion, Vapor Vultur Vampyrus (V3s) which causes mutation into Tryks.