Lifestyle journalist Katrine escaped past traumas by moving to a coast renowned for seaside holidays and natural beauty. But when a vast hoard of human remains and prehistoric artifacts is discovered in nearby Brickburgh, a hideous shadow engulfs her life. Helene, a disillusioned lone parent, lost her brother, Lincoln, six years ago. Disturbing subterranean noises he recorded prior to vanishing, draw her to Brickburgh's caves. A site where early humans butchered each other across 60,000 years. Upon the walls, images of their nameless gods remain.

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.

In a quest for a simpler life, Helen and Nate have abandoned the comforts of suburbia to take up residence on 44 acres of rural land where they will begin the ultimate, aspirational do-it-yourself project: building the house of their dreams. When they discover that this beautiful property has a dark and violent past, Helen, a former history teacher, becomes consumed by the local legend of Hattie Breckenridge, a woman who lived and died there a century ago.

"Pray they are hungry." Kara finds these words in the mysterious bunker that she’s discovered behind a hole in the wall of her uncle's house. Freshly divorced and living back at home, Kara now becomes obsessed with these cryptic words and starts exploring the peculiar bunker - only to discover that it holds portals to countless alternate realities. But these places are haunted by creatures that seem to hear thoughts...and the more you fear them, the stronger they become.

For over 20 years, Belasco House has stood empty. Regarded as the Mt. Everest of haunted houses, its shadowed walls have witnessed scenes of unimaginable horror and depravity. All previous attempts to probe its mysteries have ended in murder, suicide, or insanity.

But now, a new investigation has been launched, bringing four strangers to Belasco House in search of the ultimate secrets of life and death. A wealthy publisher, brooding over his impending death, has paid a physicist and two mediums to establish the facts of life after death once and for all. For one night, they will investigate the Belasco House and learn exactly why the townsfolk refer to it as the Hell House.

To eight-year-old Bela, her family is her world. There’s Mommy, Daddo, and Grandma Ruth. But there is also Other Mommy, a malevolent entity who asks her every day: “Can I go inside your heart?” When horrifying incidents around the house signal that Other Mommy is growing tired of asking Bela the question over and over, Bela understands that unless she says yes, her family will soon pay. Other Mommy is getting restless, stronger, bolder. Only the bonds of family can keep Bela safe, but other incidents show cracks in her parents’ marriage. The safety Bela relies on is about to unravel.

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.

Professor David Ullman's expertise in the literature of the demonic - notably Milton's Paradise Lost - has won him wide acclaim. But David is not a believer. One afternoon he receives a visitor at his campus office, a strikingly thin woman who offers him an invitation: travel to Venice, Italy, witness a "phenomenon", and offer his professional opinion, in return for an extravagant sum of money. Needing a fresh start, David accepts and heads to Italy with his beloved 12-year-old daughter, Tess. What happens in Venice will send David on an unimaginable journey from skeptic to true believer....

Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope’s End, the cliffside mansion where the massacre occurred. It’s now 1983, and home-health aide Kit McDeere arrives at a decaying Hope’s End to care for Lenora after her previous nurse fled in the middle of the night.

The challenge: Spend a week hiding in an abandoned amusement park and don’t get caught. The prize: enough money to change everything. Even though everyone is desperate to win—to seize a dream future or escape a haunting past—Mack is sure she can beat her competitors. All she has to do is hide, and she’s an expert at that. It’s the reason she’s alive and her family isn’t.

Once every year, Scoutmaster Tim Riggs leads a troop of boys into the Canadian wilderness for a weekend camping trip - a tradition as comforting and reliable as a good ghost story around a roaring bonfre. The boys are a tight-knit crew. There’s Kent, one of the most popular kids in school; Ephraim and Max, also well-liked and easygoing; then there’s Newt the nerd and Shelley the odd duck. For the most part, they all get along and are happy to be there - which makes Scoutmaster Tim’s job a little easier.

Late one summer night, Elizabeth Sanderson receives the devastating news that every mother fears: Her 13-year-old son, Tommy, has vanished without a trace in the woods of a local park. The search isn't yielding any answers, and Elizabeth and her young daughter, Kate, struggle to comprehend Tommy's disappearance. They feel helpless and alone, and their sorrow is compounded by anger and frustration: The local and state police have uncovered no leads.

Mary is a quiet middle-aged woman doing her best to blend into the background. Unremarkable. Invisible. Unknown even to herself. But lately, things have been changing inside Mary. Along with the hot flashes and body aches, she can’t look in a mirror without passing out, and the voices in her head have been urging her to do unspeakable things. Fired from her job in New York, she moves back to her hometown hoping to reconnect with her past and inner self. What she finds instead are visions of terrifying mutilated specters that come with increasing regularity.

Harry Keogh is the man who can talk to the dead, the man for whom every grave willingly gives up its secrets, the one man who knows how to travel effortlessly through time and space to destroy the vampires that threaten all of humanity.

It’s the house of their dreams. Former marine Harry and his wife, Sasha, have packed up their life and their golden retriever, Dash, and fled the corporate rat race to live off the land in rural Idaho. Their breathtaking new home sits on more than forty acres of meadow, aspen trees, and pine forest in the Teton Valley. Even if their friends and family think it’s a strange choice for an up-and-coming pair of urban professionals, Harry and Sasha couldn’t be happier about the future they’re building, all by their lonesome.