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.

After the death of his wife, Tanner Rowe takes a step toward making her dying wish come true and buys the house with the dilapidated barn she'd been drawn to in the Upper Peninsula. But after a year, he still can't get past his grief long enough to make the repairs he'd promised. Recently out of prison, Cole Lachlan has little to his name. Homeless, broke, and without many options as a felon, Cole heads to Red Bluff with hopes of a second chance. There he meets Tanner, whose loneliness mirrors his own, and soon Cole is trading room and board for rebuilding the burned-out barn.

Nerdy, introverted genius lepidopterist, Lawson Gale, is an expert on butterflies. He finds himself in a small town in Tasmania on a quest from an old professor to find an elusive species that may or may not even exist. Local Parks and Wildlife officer, Jack Brighton, is an ordinary guy who loves his life in the sleepy town of Scottsdale. Along with his Border collie dog, Rosemary, his job, and good friends, he has enough to keep from being lonely.

When Cassius Black moves to San Francisco for a fresh start, the angel's hopes of staying below the radar of the supernatural organizations that oversee the otherworldly and magic users in the city are dashed when he stumbles across a dead body in the sewers. Morgan King and his team of Argonaut agents have been on the hunt all summer for the culprits behind a series of gruesome killings that have rocked the city. When Fate puts Cassius in Morgan's path, he realizes the angel everyone likes to call The Devil may very well be the only person who can help them track down the murderers.

Ferryman. The Grim Reaper. La Muerte. La Pelona. Shinigami. Charon. I've been called many names over the millennia, all thanks to my role in Hell—ferrying dead souls over the river Styx. Few know the demon behind the legend, how I came to be here, or the freedom I sacrificed to save the man I love.