Only a select few in the human world knew of the existence of the V Unit, a small group of highly trained Marines - who happened to be vampires.
And it would have stayed that way.
But when events in the vampire world threatened the stability of the human world, the powers that be called for the unit's specialized services. An intrepid war correspondent who'd seen more than his fair share of fighting, stumbles across the unit by accident, and is drawn into their world.
Bronson has no problem with that, given that he gets to spend time with a hunky Marine, Sarge. Although he won't remember any of this when they're through.
At least, that was the plan...