The Ruins follows two American couples enjoying a pleasant, lazy beach holiday together in Mexico. On an impulse, they go off with newfound friends in search of one of their group, the young German who, in pursuit of a girl, has headed for the remote Mayan ruins, site of a fabled archeological dig.

John Hawkins is counting down his last days as chief of police on the Lone Crow Reservation in the lonely, frigid woods of the Yukon. But when a faceless body with mysterious wounds washes up on the shores of the Porcupine River, he’s pulled deeper in than ever before. Hawkins and coroner Jacob Littlecorn suspect the disfigured body is that of theoretical physicist Graham Raphelson, also known as the “molecular madman of Trinity College”, who recently disappeared. 

This forest isn't charted on any map. Every car breaks down at its treeline. Mina's is no different. Left stranded, she is forced into the dark woodland only to find a woman shouting, urging Mina to run to a concrete bunker. As the door slams behind her, the building is besieged by screams. Mina finds herself in a room with a wall of glass, and an electric light that activates at nightfall, when the watchers come above ground. These creatures emerge to observe their captive humans and terrible things happen to anyone who doesn't reach the bunker in time. 

These people will give anything for the idols they worship, be they rock stars, actors or authors. Or even serial killers. Lori is just such a fanatic. Her obsession is with Edmund Cox, a man of sadistic cruelty who butchered more than 20 women. She’s gone so far as to forge a relationship with him, visiting him in prison and sending him letters on a regular basis. She will do anything to get close to him, so when he gives her a task, she eagerly accepts it. She has no idea of the horror that awaits her.

A group of close friends gathers at a secluded cabin in the wintry mountains of Colorado for a final holiday hurrah. Instead, it may be their last stand. First a massive blizzard leaves them marooned. Then the more chilling realization: Something is lurking in the woods, watching them, waiting.... Now a weekend of family, friends, and fun has turned into a test of love and loyalty in the face of inhuman horrors. The only hope for those huddled inside is to fight - tooth and nail, bullet and blade - for their lives. Otherwise, they’ll end up like the monsters’ other victims: bright pools of blood on glittering snow, screams lost in the vast mountains.

After the loss of a child along with a slew of agonizing misfortunes, Nick and Jess decide to end their lives. Unable to cope with the misery that fills their days, they commit one last act together and die in loving relief. But when Nick wakes up, he soon realizes that death isn't the gentle darkness he expected. Panicked and horrified, he struggles to understand the twisted abominations and hellish world he's now trapped in.

Mattie can't remember a time before she and William lived alone on a mountain together. She must never make him upset. But when Mattie discovers the mutilated body of a fox in the woods, she realizes that they’re not alone after all. There’s something in the woods that wasn’t there before, something that makes strange cries in the night, something with sharp teeth and claws. When three strangers appear on the mountaintop looking for the creature in the woods, Mattie knows their presence will anger William. Terrible things happen when William is angry.

Red has tried to keep his nose clean but the sins of his past still haunt him. They’ve forced him back into the darkness—toward a life he’d hoped to leave behind. Now he has just four days to make things right.

Episode Thirteen takes them to every ghost hunter's holy grail: the Paranormal Research Foundation. This brooding, derelict mansion holds secrets and clues about bizarre experiments that took place there in the 1970s. It's also famously haunted, and the team hopes their scientific techniques and high tech gear will prove it. But as the house begins to reveal itself to them, proof of an afterlife might not be everything Matt dreamed of.

Three low-income families have been given a handsome retainer to join Geraldine Borden for a day at her cliffside estate. All the parents must do to collect the rest of their money is allow their children to test out the revolutionary playground equipment Geraldine has been working on for decades. But there’s a reason the structures in the bowels of her gothic castle have taken so long to develop—they were never meant to see the light of day.

The Lonely Motel holds many dark secrets and room six just might hold the worst of them all. Angel knows a lot about pain. His mother died in this room. He's researched its history. He's come back today to end it, no matter the cost, once and for all. Prostitute Shyla believes the stories Angel tells her can't be true. Secrets so vile, you won't want to let them inside you. But the Lonely Motel doesn't forget. It doesn't forgive. And it always claims its victim.

In the summer of 1994, psychologist Daniel Hill buys a rustic farmhouse nestled in the rolling hills of West Virginia. Along with his wife and teenage daughter, the family uproots their lives in Ohio and moves south. They are initially seduced by the natural beauty of the country setting. That soon changes when they discover a hidden room in the basement with a well, boarded shut and adorned with crucifixes. Local legends about the previous owner being an exorcist come to light, but by then, all Hell has broken loose.

September. A beautiful New York editor retreats to a lonely cabin on a hill in the quiet Maine beach town of Dead River - off season - awaiting her sister and friends. Nearby, a savage human family with a taste for flesh lurks in the darkening woods, watching, waiting for the moon to rise and night to fall.

Kim White is a very popular cheerleader. She’s pretty, healthy, and comes from a well-off family. She has everything a girl of 16 is supposed to want. And she’s sick to death of it. In search of something to pull her out of her suicidal thoughts, she begrudgingly decides to lose her virginity, having heard it’s a life-changing event.

Return to the Black Farm is a direct sequel that follows Nick as he is forced to confront the aftermath of his actions.