S&D Pharmaceuticals is developing a new vaccine with sinister side effects. Striden, the CEO of S&D, has engineered a drug, masked as a flu vaccine, which turns its unsuspecting patients into werewolves. An allegiance of vampires is fighting desperately to stop the mass infestation. Among them is an ambitious rebel named Catch and his newly turned protégé, Lori. Catch brings this treacherous world to Lori’s doorstep and turns both their worlds’ upside-down in the process. They emerge as a formidable opponent against the wolves, doing everything in their power to preserve both their own kind and their food supply.