Rush hour, London. A packed commuter train is torn apart in a collision. Picking through the carnage, ex-special forces profiler Ziba MacKenzie helps a dying woman who passes on a cryptic message: He did it. You have to tell someone. When a corpse is found bearing the gruesome signature of a serial killer dormant for 25 years, Ziba is pulled into the hunt for the perpetrator. As the body count rises, it becomes clear he’s on a new spree. But what’s brought the London Lacerator back after such a long hiatus? And does his sudden return have anything to do with the woman on the train? Ziba scrambles to profile the killer in the hope of predicting his next move. But time is running out.

Molly and Liza have always been enviably close. Even after Molly married Daniel, the couple considered Liza an honorary family member. But after Liza moved away, things grew more strained than anyone wanted to admit --- in the friendship and the marriage. When Daniel goes away on business, Molly and Liza plan to reconnect with a nice long video chat after the kids are in bed. But then Molly leaves the room to check on a crying child. What Liza sees next will change everything. Only one thing is certain: Molly needs her. Liza drives all night to be at Molly’s side --- but when she arrives, the reception is icy, leaving Liza baffled and hurt. She knows there’s no denying what she saw. Or is there?

Kimberly Leamy is a photography teacher in Melbourne, Australia. Twenty-six years earlier, Sammy Went, a two-year-old girl, vanished from her home in Manson, Kentucky. An American accountant who contacts Kim is convinced she was that child, kidnapped just after her birthday. On April 3, 1990, Jack and Molly Went’s daughter, Sammy, disappeared from their Kentucky home. Jack did his best to raise and protect his other daughter and son while Molly found solace in her faith. The Church of the Light Within, a Pentecostal fundamentalist group, provided that faith. Now, with proof that she and Sammy are in fact the same person, Kim travels to America to reunite with a family she never knew she had.

It all begins with a hot air balloon trip and three bottles of champagne. Allan Karlsson and Julius are ready for some spectacular views, but they’re not expecting to land in the sea and be rescued by a North Korean ship, and they never could have imagined that the captain of the ship would be harboring a suitcase full of contraband uranium, on a nuclear weapons mission for Kim Jong-un. Yikes! Soon Allan and Julius are at the center of a complex diplomatic crisis involving world figures from the Swedish foreign minister to Angela Merkel and President Trump. Needless to say, things are about to get very, very complicated.

Detective Sergeant Gemma Woodstock finds herself lost and alone after a recent move to Melbourne, brokenhearted by the decisions she's had to make. Her new workplace is a minefield, and Detective Sergeant Nick Fleet, the partner she has been assigned, is uncommunicative and often hostile. When a homeless man is murdered and Gemma is put on the case, she can't help feeling a connection with the victim and his lonely, isolated existence. Then Sterling Wade, an up-and-coming actor filming his breakout performance in a closed-off city street, is murdered in the middle of an action-packed shot, and Gemma and Nick have to put aside their differences to unravel the mysteries surrounding the actor's life and death.

It’s been 20 years since Cara’s boyfriend died in a horrible accident and her sister, Anna, went to prison. The tragedy has become a local legend, but Cara has moved past her grief to have a successful career and a happy family. Pity about Anna. Recently released from incarceration, she’s struggling with addiction, guilt and shame --- a shattered life. Cara’s forgiveness seems to be the only thing that helps her pick up the pieces. But as Anna pulls herself together, her memories of that night on the bridge start to come into focus. And few of them match her sister’s. As past secrets unfold and nothing is what it seems anymore, Anna desperately searches for the truth. But what if Cara doesn’t want her to find it?

My mom would never leave me. This has been Mariah Dunning's motto. So when she glimpses her mother --- who's been missing for the past year --- on the other side of a food court, Mariah's conviction becomes stronger than ever. Or is she losing her mind? When Beth Dunning disappeared without a trace, suspicion for her murder immediately fell upon Mariah's father. Until Mariah stumbles upon two other recent disappearances from Lakehaven. And all three women had the same name: Beth. Mariah would give anything to find out what happened to her mother and clear her father's name. But the truth may be more devastating than she could have imagined.

After a whirlwind romance, a young woman returns to the opulent, secluded Long Island mansion of her new fiancé Max Winter, a wealthy politician and recent widower. The house is steeped in the memory of Max’s beautiful first wife Rebekah, who haunts the young woman’s imagination and feeds her uncertainties, while his very alive teenage daughter Dani makes her life a living hell. She soon realizes there is no clear place for her in this twisted little family. As the soon-to-be second Mrs. Winter grows more in love with Max, and more afraid of Dani, she is drawn deeper into the family’s dark secrets --- the kind of secrets that could kill her, too.

Spenser Collins is a pre-med student and basketball star determined to make his single, working mother proud. Dalton Winthrop is a rich kid who has the ease and deep knowledge that come from a lifetime of belonging. At Harvard, Spenser and Dalton become friends, cementing their bond when Spenser is “punched” to join the exclusive Delphic Club. Soon, Spenser and Dalton are plunged into a century-old mystery about a group of alums known as the Ancient Nine whose identities are unknown, whose power is absolute, and whose intentions are darker and more dangerous than they ever could have imagined.

Twenty years ago, 11-year-olds Charlie Paige and Scott Ashby were murdered in the city of Bristol. A man was convicted of the brutal crime, but questions still linger decades later. Filmmaker Cody Swift has been haunted by the deaths of his childhood best friends. Hoping to uncover new evidence, and to encourage those who may be keeping long-buried secrets to speak up, Cody starts a podcast to record his findings. When a long-dead body is found in the same location the boys were left decades before, the disturbing discovery launches another murder investigation. Now Detective John Fletcher, the investigator on the original case, must reopen his dusty files and decide if the two murders are linked.