On her first day of kindergarten, five-year-old Tinsley disappeared without a trace. Five agonizing years later, her divorced mother, Dani Callahan, is a private investigator. She and Quinn Sullivan, a promising young assistant, are devoted to helping others find missing loved ones. And for Dani, finding Tinsley is still a never-ending obsession. Their newest case is Ali Cross, a teenager who vanished while walking home. A troubled boy’s eyewitness testimony to Ali’s abduction provides their only clues. And as their search for Ali gets underway, new information about Tinsley’s disappearance begins to surface too. As their investigations lead down two twisting paths, disturbing secrets are revealed and new victims find themselves in mortal danger.

Someone has put a blade in the back of the Amazing Tattooed Woman, and Willowjean “Will” Parker’s former knife-throwing mentor has been stitched up for the crime. To uncover the truth, Will and her boss, world-famous detective Lillian Pentecost, travel to the circus, where they find a snake pit of old grudges, small-town crime and secrets worth killing for. Will called Hart & Halloway’s Traveling Circus and Sideshow home for five years, and Ruby Donner, the circus’s tattooed ingenue, was her friend. To make matters worse, the prime suspect is Valentin Kalishenko, the man who taught Will everything she knows about putting a knife where it needs to go. To uncover the real killer and keep Kalishenko from a date with the electric chair, Will and Ms. Pentecost join the circus in sleepy Stoppard, Virginia.

Every night, police transcriber Hazel Greenlee listens as detectives divulge Black Harbor, Wisconsin’s gruesome secrets. An aspiring novelist, Hazel believes that writing a book could be her only ticket out of this frozen hellscape, but her life isn’t exactly brimming with inspiration. Until her neighbor confesses to hiding the corpse of an overdose victim. With an insider’s look at the investigation, Hazel becomes spellbound by the lead detective, Nikolai Kole, and the chilling narrative he shares with her. Through his transcription, she learns that the suspicious death is linked to Candy Man --- a drug dealer notorious for selling illegal substances to children --- and when Kole invites her on a covert operation to help take the dealer down, the promise of a story calls to her.

When Kate Burke is awakened one night by a sound outside her window, her PTSD is triggered. She still lives with the dreadful memories of her husband’s murder during a seemingly random home invasion two years before. When she discovers the unsettling ways her property has been vandalized the next day, Kate is forced to conclude the worst: someone is watching her. She decides to rent out her estranged sister’s one-time cottage, which sits on her property, for the summer. But the vandalism is escalating. So are the anonymous late-night calls and texts, each one more disturbing and violating than the last. Whoever is targeting Kate, whatever their motive or terrifying endgame, the footsteps in the dark are getting closer.

In London, the Metropolitan Police set up a new Unsolved Murders Unit --- a cold case squad --- to catch the criminals nobody else can. In Geneva, millionaire art collector Miles Faulkner --- convicted of forgery and theft --- was pronounced dead two months ago. So why is his unscrupulous lawyer still representing a dead client? On a luxury liner en route to New York, the battle for power within a wealthy dynasty is about to turn to murder. And at the heart of all three investigations are Detective Chief Inspector William Warwick, rising star of the department, and ex-undercover agent Ross Hogan, brought in from the cold. But can they catch the killers before it’s too late?

On the idyllic coast of San Sebastian, Spain, Dublin pathologist Quirke is struggling to relax. When he glimpses a familiar face in the twilight at Las Acadas bar, it's hard at first to tell if his imagination is just running away with him. Because this young woman can't be April Latimer. She was murdered by her brother years ago --- the conclusion to an unspeakable scandal that shook one of Ireland's foremost political dynasties. Unable to ignore his instincts, Quirke makes a call back home to Ireland, and soon Detective St. John Strafford is dispatched to Spain. But he's not the only one en route. A relentless hit man is on the hunt for his latest prey, and the next victim might be Quirke himself.

Julian Lawndsley has renounced his high-flying job in the city for a simpler life running a bookshop in a small English seaside town. But only a couple of months into his new career, Julian’s evening is disrupted by a visitor. Edward, a Polish émigré living in Silverview, the big house on the edge of town, seems to know a lot about Julian’s family and is rather too interested in the inner workings of his modest new enterprise. When a letter turns up at the door of a spy chief in London warning him of a dangerous leak, the investigations lead him to this quiet town by the sea.

A single mother, Git O’Rourke works hard to support her daughter Charlie, but still finds time to cut loose every once in a while and find a companion for the night. Which is exactly how she ends up in a hotel room with a strange man passed out on heroin, and how she comes to possess the bag of money and guns that he left open as he got his fix. When the dead body is discovered at the Skyview Motor Court, officer Delia Mariola recognizes the victim as the perpetrator in an earlier crime --- a domestic violence call. She knows he’s connected to the local mob, but the crime scene doesn’t exactly resemble their typical hit. Instead, all signs point to a pick-up gone wrong. Which means that all signs point to Git.

Chloe Sevre is a freshman honor student, a legging-wearing hot girl next door who also happens to be a psychopath. She spends her time on yogalates, at frat parties and plotting to kill Will Bachman, a childhood friend who grievously wronged her. Chloe is one of seven students at her DC-based college who are part of an unusual clinical study of psychopaths --- students like herself who lack empathy and can’t comprehend emotions like fear or guilt. The study, led by a renowned psychologist, requires them to wear smart watches that track their moods and movements. When one of the students in the study is found murdered in the psychology building, a dangerous game of cat and mouse begins, and Chloe goes from hunter to prey.

Kingfisher Lodge is known by locals as "Billionaire's Mile" and is locked behind a heavy gate. Sandwiched between barbed wire and a meadow with a sign that reads "Don't Get Shot!" the resort boasts boutique fishing at its finest. Safe from viruses that have plagued America for years, Kingfisher offers a respite for wealthy clients. Now it also promises a second chance for Jack, a return to normalcy after a young life filled with loss. When he is assigned to guide a well-known singer, his only job is to rig her line, carry her gear, and steer her to the best trout he can find. But then a human scream pierces the night, and Jack soon realizes that this idyllic fishing lodge may be merely a cover for a far more sinister operation.