Detective Rebecca Giles has just finished interviewing aging petty crim Sticky Pete over a spate of break-and-enters when a disturbing new report comes in. Twelve-year-old Kayleen Ellis has vanished from her home in Muswellbrook in the Upper Hunter Valley. Hours later, Giles is a local hero, having apparently solved Kayleen's case and the spate of jewellery thefts. Yet the hangover from her celebrations has barely kicked in when the body of young jillaroo Ava Emmerson is discovered in gruesome circumstances on a nearby farm.

'Did you have to kill them all?' It's the question Gabe Ahern has been running from since he bust open a major criminal operation - and left a dozen men dead. He knows that one day the 'bad guys' will come for revenge. A skilled dog-trapper, Gabe has one rule: leave no sign, leave no trace. And for the last year he's been successfully hiding out on a friend's remote cattle property in the Pilbara.

After the puzzling death of a shopkeeper in rural Australia, troubled detective Dana Russo has just 12 hours to interrogate the prime suspect - a silent, inscrutable man found at the scene of the crime, who simply vanished 15 years earlier. Where has he been? And just how dangerous is he?  Without conclusive evidence linking him to the killing, Dana must race against time to persuade him to speak.

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.

During a broiling heatwave, the inner circle of a high-profile charity attend a critical meeting at White Ash Ridge, a small hotel nestled in the Australian wilderness. As the temperature rises, a body is found lying in the thick bush, bludgeoned to death. One of the four remaining guests is a murderer - but who, and why, is a mystery. Detective Dana Russo knows the national spotlight will be sharply focused on the case. The charity was formed when the founders' teenage son was killed after intervening in a vicious assault - sparking public outrage and a damning verdict on the investigation.

Rachael Schlank is a straight-talking detective who’s always felt like a fish out of water, bouncing between departments over the years. Now she’s finally found a home in Victoria Police's Cold Case Unit. When a vigilante starts targeting hunters, leaving clues about a long-ago cold case, Rachael is asked to join a task force investigating the crimes...along with a former colleague whose dangerous temper has already made an impact on her life.

DS Lucas Walker is on leave in his hometown, Caloodie, looking after his dying grandmother. When two young German backpackers vanish from the area on their way to a ranch, he finds himself unofficially on the case. But why all the interest from the Federal Police, when they have probably just ditched the heat and dust of the outback for the coast? As the number of days the couple are missing climbs, DS Walker is joined by the girl's sister. A detective herself from Berlin, she is desperate to find her before it's too late.

In Unamurra, a drought-scarred, one-pub town deep in the outback, two men are savagely murdered a month apart - their bodies elaborately arranged like angels. With no witnesses, no obvious motives and no apparent connections between the killings, how can lone police officer Detective Dana Russo - flown in from hundreds of kilometres away - possibly solve such a baffling, brutal case? Met with silence and suspicion from locals who live by their own set of rules, Dana must take over a stalled investigation with only a week to make progress.

When Emily's beautiful cousin Aspen goes missing somewhere in the Outback, no one seems to take it seriously, not even the police. After all, Aspen has a history of drug use and a string of broken relationships to her name. But Emily knows that her disappearance is totally out of character, so she books a flight to the Northern Territory to find her. Emily's search takes her south of Darwin to every road stop and tourist trap she can find, but the only person who turns up is the last person she expected to see, her ex-husband Ben. But there is a violent killer on the loose.

Detective Dave Burrows has longed for the top job in the Stock Squad but never thought he'd be acting in that role while his partner and best mate, Detective Bob Holden, is treated for melanoma. Bob is keen to get back on the road and Dave can't wait to go bush either, expecting the trip will be much the same as usual. But the trip doesn't play out that way. Multiple bomb blasts in the small country town of Kallygarn send shock waves through the state of WA, and Dave and Bob are once again drawn into the underworld of crime.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

'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.

Wyatt robs banks and payroll vans. Most men like him are dead or in jail, but Wyatt stamps a cold, pitiless style on his heists and has never been caught. Now his funds are low and his luck is running out - until the day Anna Reid explains about the kickback in her partner’s safe. But other players are involved. In Wyatt’s world, there is no yielding, no redemption, and when he’s crossed, the outcome is inevitable.

Brisbane 1999. It's hot. Stormy. Dangerous. The waters of the Brisbane River are rising. The rains won't stop. People's nerves are on edge. And then... A body is found. And then another. And another. A string of seemingly ritualized but gruesome murders. All the victims are men. Affluent. Guys with nice houses, wives and kids at private schools. All have had their throats cut. Tabloid headlines shout, THE VAMPIRE KILLER STRIKES AGAIN! Detective Sergeant Lara Ocean knows the look. The 'my-life-will-never-be-the-same-again look'.

1987: It's late summer and a time of change when a 17-year-old girl leaves the local shopping center in the sleepy town of Lowbridge and is never seen again. Her unsolved disappearance is never far from the town's memory. There's those who grew up in the shadow of her loss whose own lives were altered forever, and those who know more than they're saying. It just takes an outsider to ask the right questions.