On Christmas Eve, 1943, the newly formed but undermanned Homicide division of the Melbourne police force is called to investigate the vicious double murder of a father and son. When Military Intelligence becomes involved, Homicide's Inspector Titus Lambert must unravel the personal from the political. If only the killings had stopped at two. The police are desperate to come to grips with an extraordinary and disquieting upsurge of violence.

Sydney, 1965: After a chance encounter with a stranger, mild-mannered tea lady Hazel Bates becomes an accidental sleuth, stumbling into a world of ruthless crooks and racketeers in search of a young woman she believes to be in danger. In the meantime, Hazel's job at Empire Fashionwear is in jeopardy. The firm has turned out the same frocks and blouses for the past twenty years and when the mini-skirt bursts onto the scene, it rocks the rag trade to its foundations. War breaks out between departments and it falls to Hazel, the quiet diplomat, to broker peace and save the firm.

Fresh out of uniform, DC Jimmy Bliss finds himself at the centre of an undercover sting. Enlisted by a crew of villains to crack a safe, he fears his cover is blown when he’s seen in the wrong place at the wrong time. But on the night of the job, things run smoothly enough until the gang leader changes the location of the heist. As the job spirals out of control, Bliss has to trust his instincts and buy some time. There’s just one problem: he has no idea if his team know what has become of him.

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.

Ned West dreams of sailing across the river on a boat of his very own. To Ned, a boat means freedom – the fresh open water, squid-rich reefs, fires on private beaches – a far cry from life on Limberlost, the family farm, where his father worries and grieves for Ned's older brothers. They're away fighting in a ruthless and distant war, becoming men on the battlefield, while Ned – too young to enlist – roams the land in search of rabbits to shoot, selling their pelts to fund his secret boat ambitions.

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.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

When the world is still counting the cost of the Second World War and the Iron Curtain has closed, eleven-year-old Roland Baines's life is turned upside down. 2,000 miles from his mother's protective love, stranded at an unusual boarding school, his vulnerability attracts piano teacher Miss Miriam Cornell, leaving scars as well as a memory of love that will never fade.

Detective Ulf Varg from the Department of Sensitive Crimes is often called upon to investigate unusual matters. But rarely is he asked to conduct an inquiry on behalf of his own family. Is such a thing ethical? Adding to Ulf's moral discomfort is the fact that he does not exactly see eye to eye with his younger brother Bjorn - a leading player in one of Sweden's right-wing parties, the Moderate Extremists. Still, family is family, so Ulf finds himself working to uncover the mole leaking secrets to a rival party, the Extreme Moderates.

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.

The Cleverley family live a gilded life, little realising how precarious their privilege is, just one tweet away from disaster. George, the patriarch, is a stalwart of television interviewing, a 'national treasure' (his words); his wife, Beverley, a celebrated novelist; and their children, Nelson, Elizabeth, Achilles, various degrees of catastrophe waiting to happen. Together they will go on a journey of discovery through the Hogarthian jungle of the modern living where past presumptions count for nothing and carefully curated reputations can be destroyed in an instant.

Cleo knows she should be happy for her brother Mark. He's managed to find someone new after the sudden death of his first wife - but something about Evie just doesn't feel right.... When Evie starts having accidents at home, her friends grow concerned. Could Mark be causing her injuries? Called out to their cliff-top house one night, Sergeant Stephanie King finds two bodies entangled on blood-drenched sheets.

St Benjamin's Medical School is the greatest of its kind, any death occurring within its walls would have created ripples within the academic world, but the death of Nikki Exner is far from being ordinary. Raped, and then grotesquely executed, her theatrical murder horrifies everyone. John Eisenmenger, a former forensic pathologist, finds himself dragged unwillingly into the case. Teaming up with solicitor Helena Flemming, Eisenmenger sets out to discover what really did happen to Nikki Exner.

Richard is a middle-aged Englishman who runs a B&B in the fictional Val de Follet in the Loire Valley. Nothing ever happens to Richard, and really that’s the way he likes it. One day, however, one of his older guests disappears, leaving behind a bloody handprint on the wallpaper. Another guest, the exotic Valérie, persuades a reluctant Richard to join her in investigating the disappearance. Richard remains a dazed passenger in the case until things become really serious and someone murders Ava Gardner, one of his beloved hen...and you don’t mess with a fellow’s hens!

DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. So when his police colleagues dismiss the death of a man as a squabble among Bristol's homeless community, Detective Sergeant George Cross is not convinced.