A brotherhood of vampire warriors protects their race from demonic lessers. United by tragedy, the few remaining fighters confront the lessers, striving to restore the vampire realm.

The Black Dagger Brotherhood is a paranormal romance series by J.R. Ward that follows a society of vampire warriors who protect their race from de-souled humans called lessers. The Brotherhood is an elite squad of warriors who fight alongside the King of the Vampires against the lessers, and are almost a breed apart from normal vampires. In the series, the Brotherhood is scattered and their numbers are few, until a death brings them back together to fight the lessers and restore the vampire society to its former glory.