Triad Magic

The law of three is everything: three vampires for a coterie, three demons for a pack, and three wizards for a coven. Those alone or in pairs are vulnerable to the rest. Luc, Anders, and Curtis—vampire, demon, and wizard—sidestepped tradition by binding themselves together.

Someone is killing those with the gift of prescience and prophecy, a feat that shouldn't be possible given the victims should all sense the danger at hand. The three try to catch the killer, but how do you outwit someone...