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.

Sydney Detective August Shaw has spent the last decade of work solving cold cases. His work is his entire life, and he's convinced a string of unsolved cold-case suicides are linked to what could be Australia's worst ever serial killer. Problem is, no one believes him. Senior Constable Jacob Porter loves his life in the small town of Tallowwood in northern New South Wales. When human remains are found in the camping grounds at Tallowwood Reserve, Jake's new case turns out to be linked to August's cold cases, and Jake agrees they're not suicides at all.

After Emery Hazard loses his job as a detective in Saint Louis, he heads back to his hometown - and to the local police force there. Home, though, brings no happy memories. Hazard's new partner, John-Henry Somerset, had been one of the worst tormentors, and Hazard still wonders what Somerset's role was in the death of Jeff Langham, Hazard's first boyfriend. When a severely burned body is discovered, Hazard finds himself drawn deeper into the case than he expects. Determining the identity of the dead man proves impossible, and solving the murder grows more and more unlikely.

Special Agent Ty Grady is pretty sure he’s about to get fired. His last perp skipped town before he could make an arrest, leaving him with a lot of means and precious few ends. When he’s called into the boss’s office, he expects the worst. And he isn’t exactly wrong. Chained to a desk in cybercrimes, Special Agent Zane Garrett dots his i’s and crosses his t’s. He doesn’t have much of a choice in the matter—his record can’t handle another black mark. When he learns he’s getting reassigned, he doesn’t miss the ironic pronunciation on “promotion.” Wherever he’s going, it’s nowhere good.

Six years ago, Jasper Des Moines traded in the only life he knew. In order to keep a promise and a secret, he walked from the only man he’d ever loved. Now, he has a career in need of constant defending, a best friend who knows nothing about his past, and a husband he should love. He has the life he believes he deserves. Until one day, the unfinished business he left behind catches up with him, and he’s faced with the one man he’d never been able to resist or forget.