When the gods come calling, you don’t get to say no. Patrick Collins is three years into a career as a special agent for the Supernatural Operations Agency when the gods come calling to collect a soul debt he owes them. An immortal has gone missing in New York City and bodies are showing up in the wake of demon-led ritual killings that Patrick recognizes all too easily from his nightmares.

Spencer Bailey has spent his entire life under government oversight for something he can’t change: his magic’s affinity for breaking souls. After surviving the end of the world, Spencer joins the Supernatural Operations Agency with the intention of keeping his head down and his hands clean. Tasked with tracking down a stolen artifact, Spencer wants to run his first case with the SOA by the book. The master vampire of the Seattle Night Court won’t make that easy.

Captain Jamie Callahan got a new lease on life when he survived a chemical attack that turned him into a metahuman. Now he leads Alpha Team, the Metahuman Defense Force’s top strike group, a position that puts him at odds with his elite political family. Determined to do his duty, Jamie’s commitment to his team creates a loneliness that is increasingly difficult to ignore. Staff Sergeant Kyle Brannigan is a sniper with secrets. Seconded to Alpha Team, he finds himself torn between his desire for Jamie and his desperate need to fly under the radar. But Jamie is everything Kyle wants.

SSA Rain Christiansen used to be the agency's golden boy. It just takes one moment of weakness, one tiny paranormal sighting, and all of a sudden, he's the agency's embarrassment. His boss gives him one last chance to redeem himself - go down to Brickell Bay, play nice with the local police, and leave the ghost sightings behind. Rain is determined to do exactly that, even if it kills him. Cold-case Detective Daniel McKenna's latest investigation is going nowhere fast. Daniel is glad to finally have the FBI help his department requested, even if it does come in the form of his ex.

Smart men never dabble with demons. I never claimed to be smart, but at least, I’m powerful enough to control them. When I bound Havoc to me nearly 300 years ago, I never realized how difficult he’d make my life, although “accidentally” lighting him on fire every now and then does bring a smile to my face. Havoc is handsome, mysterious, and somehow, my closest companion, even if we don’t always get along.