The world is in economic meltdown, but a mining town on the edge of nowhere is booming. With the town's population exploding, it's easy enough to hide a crime—or even a dirty past. Banished to the stock squad after the fallout from a police frame-up, Detective Senior Sergeant Cato Kwong is brought in from the cold to solve the case of a torso washed up on the wild shores of the Great Southern Ocean. When Kwong's investigation lifts the lid on the exploitation of migrant workers and disturbs an even darker criminal mind, the fallen cop faces powerful opposition.

Nash Rankin is a disgraced cop trying to escape his past—his career was destroyed when he chose to take justice into his own hands. Now he's living a quiet life in a small town caring for the local wildlife and trying to stay away from trouble. Jesse Redpath has a new job in a new town, Satellite—the stormy weather that greets her first few days on the new beat seems like a sign for what's to come. A local has died in what seems like an accident, but Jessie isn't so sure that ‘accident' wasn't planned. All evidence seems to point to Nash, but Jesse's not sure about that either.

Detective Sergeant Mark Ariti has taken a few days' holiday in Broken Bay at precisely the wrong time. The small fishing town on South Australia's Limestone Coast is now the scene of a terrible tragedy. Renowned cave-diver Mya Rennik has drowned while exploring a sinkhole on the land of wealthy farmer Frank Doyle. As the press descends, Mark's boss orders him to stay put and assist the police operation. But when they retrieve Mya's body, a whole new mystery is opened up, around the disappearance of a young local woman twenty years before.

'Jesus Christ. I found one.' These words are blurted over the phone to Constable Snowy Lane, who is preoccupied with no more than a ham sandwich and getting a game with the East Fremantle league side on Saturday. They signal the beginning of a series of events that are to shake Perth to its foundations. It is 1979, and Perth is jumping with pub bands and overnight millionaires. 'Mr Gruesome' has just taken another victim. Snowy's life and career are to be forever changed by the grim deeds of a serial killer and the dark bloom spreading across the City of Light.

Mataura is a small town in rural New Zealand where, apart from the odd tractor theft, nothing very interesting happens. But when the body of a young mother is found washed up on the banks of the Mataura River, the small rural community is rocked by her tragic suicide. All is not what it seems, however. Sam Shephard, sole-charge police constable in the town, soon discovers the death was no suicide and has to face the realisation that there is a killer in town. To complicate the situation, the murdered woman was the wife of Sam's former lover.