The tiny outback town of Nannine lies in the harsh red interior of Australia. Once a thriving center of stockyards and sheep stations, years of punishing drought have petrified the land and Nannine has been whittled down to no more than a stoplight, a couple bars, and a police station. And it has another, more sinister claim to fame: the still-unsolved disappearance of young Evelyn McCreery nineteen years ago.

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.

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.

Eve Dallas is a New York police lieutenant hunting for a ruthless killer. In over ten years on the force, she’s seen it all - and knows her survival depends on her instincts. And she’s going against every warning telling her not to get involved with Roarke, an Irish billionaire - and a suspect in Eve’s murder investigation.

As the third wave of the virus hits, all inhabitants of Melbourne are given until 8pm to get to their homes. Wherever they are when the curfew hits, they must live for four weeks and stay within a 5km radius. When Lou’s son Samuel doesn’t arrive home by nightfall she begins to panic. He doesn’t answer his phone. He doesn’t message. His social media channels are inactive. Lou is out of her mind with worry, but she can’t go to the police, because she has secrets of her own. Secrets that Samuel just can’t find out about. Lou must find her son herself and bring him home.

'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.

Iceland, 1956. Fourteen-year-old Lára decides to spend the summer working for a couple on the small island of Videy, just off the coast of Reykjavík. In early August, the girl disappears without a trace. Time passes, and the mystery becomes Iceland‘s most infamous unsolved case. What happened to the young girl? Is she still alive? Did she leave the island, or did something happen to her there? Thirty years later, as the city of Reykjavík celebrates its 200th anniversary, journalist Valur Robertsson begins his own investigation into Lára's case.

After her family suffers a tragedy, nine-year-old Alice Hart is forced to leave her idyllic seaside home. She is taken in by her grandmother, June, a flower farmer who raises Alice on the language of Australian native flowers, a way to say the things that are too hard to speak. Under the watchful eye of June and the women who run the farm, Alice settles, but grows up increasingly frustrated by how little she knows of her family’s story.

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.

Called in to examine what is left of a person thought to have been struck by lightning, Tempe traces an unusual tattoo to its source and is soon embroiled in something much larger. Young men—tourists—have been disappearing on the islands of Turks and Caicos. Seven years earlier, the first victim was found in a strange location with his left hand hacked off; subsequently, two other visitors vanished without a trace. But recently, tantalizing leads have emerged.