Ivy is in trouble. A recent break-up has left her humiliated and raw, so when her best friend, Regan, offers her a month-long escape in the form of a trip to Australia, it feels like a lifeline, one that Ivy grabs with both hands. Regan is everything Ivy’s not. But Ivy is drawn to a calmer type of holiday, so when she spots an ad for crewmembers on a small yacht being sailed by a doting father and his daughter, the girls decide to take the job. Together with a handsome third crewmember, they set off north into tropical heat, but it's not long before doubts start to creep in.

Summer 1924. On the eve of a glittering Society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999. Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet’s suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace’s mind, begin to sneak back through the cracks. A shocking secret threatens to emerge – something history has forgotten but Grace never could.

A night spent sleeping on dirt and leaves is not how Claire Matchett expected to spend her vacation. She thought this would be a break. A week of hiking and hot tubs with two other couple friends. Then Claire’s minivan breaks down on a lonely dirt road. With no cell reception, the group has no choice but to hike the rest of the way to their hotel. But it turns out the woods aren’t as easy to navigate as they thought. Hours later, they are lost. Hopelessly lost. And as they navigate deeper into the woods, the members of their party are struck down mysteriously one by one.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

John Dempsey's life - as an elite Tier One Navy SEAL named Jack Kemper - is over. A devastating terrorist action catapults him from a world of moral certainty and decisive orders into the shadowy realm of espionage, where ambiguity is the only rule. His new mission: hunt down those responsible for the greatest tragedy in the history of the US Special Ops and bring them to justice.

Paradise-1. Earth’s first deep space colony. For thousands of people, it was an opportunity for a new life. Until it went dark. No communication has been received from the colony for months. And it falls to Firewatch inspector Alexandra Petrova and the crew of the Artemis to investigate. What they find is more horrifying than anything they could have imagined.

Polly, Annie, Elizabeth, Catherine, and Mary-Jane are famous for the same thing, though they never met. What they had in common was the year of their murders: 1888. The person responsible was never identified, but the character created by the press to fill that gap has become far more famous than any of these five women. For more than a century, newspapers have been keen to tell us that "the Ripper" preyed on prostitutes. Not only is this untrue, as historian Hallie Rubenhold has discovered, but it has prevented the real stories of these fascinating women from being told.

Nina and Simon are the perfect couple. Young, fun and deeply in love. Until they leave for a weekend at his family’s cabin in Vermont, and only Simon comes home.

Perla Wultz lives with her husband, Grant, and their precious daughter, Sophie, in a gated Pasadena community. Affluent, sociable, and accomplished, Perla plays the part of loving wife and mother to perfection. It seems an ideal life, if not for a decades-old crime that has become Perla’s dark and consuming secret obsession. Twenty-three years ago, Leewood Folcrum confessed to murdering two young girls during a birthday party. Though he’s been condemned to a life sentence, his crime is not forgotten.

It’s been twenty years since Detective Chelsey Calhoun’s sister vanished when they were teenagers, and ever since she’s been searching: for signs, for closure, for other missing girls. But happy endings are rare in Chelsey’s line of work. Then a glimmer: local teenager Ellie Black, who disappeared without a trace two years earlier, has been found alive in the woods of Washington State. But something is not right with Ellie. She won’t say where she’s been, or who she’s protecting, and it’s up to Chelsey to find the answers.