Ryder Creed and his dogs have been making national headlines after intercepting several major drug stashes being smuggled through Atlanta's airport. But their newfound celebrity has also garnered some unwanted attention. When Creed and one of his dogs are called in to search a commercial fishing vessel, they discover a secret compartment. But the Colombian cartels' latest shipment isn't drugs.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

Special Agent Gideon Reynolds has tried hard to put his past behind him. He escaped the violence of his cult upbringing when he was just 13, and since then routine and discipline have been his way of making sense of the world. But when a petite blonde woman crashes into his life, he begins to realise that a little bit of chaos might not be so bad. Daisy Dawson has had more than her fair share of pain, too - but she's done being a victim. Daisy's determined to explore every new experience she can - including getting to know the dark and serious FBI investigator.

It begins with a letter... The letter contains a request - think of a number, any number - and a sealed envelope. Inside the envelope is that number... When Dave Gurney, retired NYPD homicide detective, is contacted by an old college acquaintance about some startling letters he’s been receiving, it is at first little more than a diverting but sinister puzzle. Until the acquaintance is brutally killed.Suddenly Gurney finds himself in the middle of a murder investigation that makes no sense.

When Michael Rowland saves his younger brother Joshua from the clutches of his stepfather, he runs for his life with his brother in his arms. From his hiding place he sees the man who has made their lives a misery taken away in the trunk of a stranger's car, never to be seen again. Doctor Dani Novak has been keeping soccer coach Diesel Kennedy at arm's length to protect him from her dark secrets. When they are brought together by the two young brothers who desperately need their help, it seems they might finally be able to leave their damaged pasts behind them.  

Eighteen-year-old Hattie Hoffman is a talented actress, loved by everyone in her Minnesotan hometown. When she's found stabbed to death on the opening night of her school play, the tragedy rips through the fabric of the community. Sheriff Del Goodman, a close friend of Hattie's dad, vows to find her killer, but the investigation yields more secrets than answers: it turns out Hattie played as many parts offstage as on.

Special Agent Maggie O'Dell doesn't even need to set foot at a crime scene to catch a serial killer. Then comes Albert Stucky...and nothing will ever be the same. Stucky is a sadistic madman who places pieces of his victims in takeout containers and leaves them for innocent bystanders to find. He enjoys his twisted games as much as he enjoys the kill. And when Maggie is tasked with profiling his murders, Stucky is only too happy to rise to the challenge.

Van Shaw was raised to be a thief, but at the age of 18 he abruptly abandoned the illicit life and joined the US Army, leaving behind Seattle and his grandfather who taught him the trade. But after 10 years of estrangement, Van's grandfather has suddenly asked him to come home. He does so only to find his grandfather shot in the head and bleeding out on the kitchen floor....

It may be Christmas in New York, but for ex-soldier turned élite bodyguard Ryan Lock it's business as usual: his mission is to protect one of America's most ruthless businessmen. Suddenly gunshots ring out. People run for cover. Innocent people are mown down. Amid the chaos, Lock's hunt for the killers turns into an explosive game of cat and mouse.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined. 

It was the holiday of a lifetime - a chance for Eve Hardaway to rediscover herself following the break-up of her marriage - until Eve catches a glimpse of someone she should never have seen. She was not the first to do so. But a woman who previously laid eyes on this mysterious stranger has disappeared without trace. Soon Eve and her travelling companions look set to suffer the same fate.

Dr. Morton Handler practiced a strange brand of psychiatry. Among his specialties were fraud, extortion, and sexual manipulation. Handler paid for his sins when he was brutally murdered in his luxurious Pacific Palisades apartment. The police have no leads, but they do have one possible witness: seven-year-old Melody Quinn.

Desperate Mary Grace Winters knew the only way to save herself and her child from her abusive husband was to stage their deaths. Now all that remains of her former life is at the bottom of a lake. As Caroline Stewart, Mary Grace has almost forgotten the nightmare she left behind nine years ago. Slowly she has learned to believe that her new life, and new identity, is here to stay. Then her husband uncovers her hidden trail. Step by step he's closing in on her and everyone she loves.

Trauma victims are not new to medical examiner Faith McIntyre, but this one is different. The unconscious woman clinging to life after a hit and run is FBI agent Macy Crow. What the woman from Quantico was doing in a dark alley after midnight is just one mystery. The other is more unsettling: Macy is Faith’s mirror image - the twin sister she never knew she had. 

Special Agent Macy Crow is a survivor. After a vicious hit-and-run nearly kills her, she gets right back to work, and now she’s gunning for a spot on the FBI’s elite profiling team. As an audition, she offers to investigate the recently discovered bones of Tobi Turner, a high school girl who disappeared fifteen years ago. While investigating with local sheriff Mike Nevada, a former colleague and onetime lover, Macy discovers a link between Tobi’s case and several others that occurred around the same time as her disappearance.