Psychologist Dr. Ophelia Bray has dedicated her life to the study and prevention of ERS—a space-based condition most famous for a case that resulted in the brutal murders of twenty-nine people. When she's assigned to a small exploration crew, she's eager to make a difference. But as they begin to establish residency on an abandoned planet, it becomes clear that crew is hiding something. While Ophelia focuses on her new role, her crewmates are far more interested in investigating the eerie, ancient planet and unraveling the mystery behind the previous colonizer's hasty departure.

Known as a harbinger of bad omens and blamed for Demons eating her family, Reia is shunned by her entire village. When the next offering is due and the monstrous Duskwalker is seen heading their way, her village offers her an impossible choice—be thrown into the prison cells or allow herself to be sacrificed to a faceless monster.

From New York Times best-selling author Mira Grant comes a vision of a decade in the future, where humanity thrives in the absence of sickness and disease. We owe our good health to a humble parasite—a genetically engineered tapeworm developed by the pioneering SymboGen Corporation. When implanted, the Intestinal Bodyguard worm protects us from illness, boosts our immune system—even secretes designer drugs. It's been successful beyond the scientists' wildest dreams. Now, years on, almost every human being has a SymboGen tapeworm living within them.

Claire Kovalik is days away from being unemployed—made obsolete—when her beacon repair crew picks up a strange distress signal. With nothing to lose and no desire to return to Earth, Claire and her team decide to investigate.

Paradise-1. Earth’s first deep space colony. For thousands of people, it was an opportunity for a new life. Until it went dark. No communication has been received from the colony for months. And it falls to Firewatch inspector Alexandra Petrova and the crew of the Artemis to investigate. What they find is more horrifying than anything they could have imagined.

When Gyre Price lied her way into this expedition, she thought she’d be mapping mineral deposits and that her biggest problems would be cave collapses and gear malfunctions. She also thought that the fat paycheck - enough to get her off-planet and on the trail of her mother - meant she’d get a skilled surface team, monitoring her suit and environment, keeping her safe. Keeping her sane. Instead, she got Em. Em sees nothing wrong with controlling Gyre’s body with drugs or withholding critical information to “ensure the smooth operation” of her expedition.

For nearly two decades, Jamie Warren has been running from darkness. He's haunted by a traumatic childhood and the guilt at having disappeared from his disabled brother's life. But then a series of unusual events reunites him with his estranged brother and their childhood friends, and none of them can deny the sense of fate that has seemingly drawn them back together. Nor can they deny the memories of that summer, so long ago—the strange magic taught to them by an even stranger man, and the terrible act that has followed them all into adulthood.

Ana and Reid needed a lucky break. The horrifically complicated birth of their first child has left Ana paralyzed, bitter, and struggling: with mobility, with her relationship with Reid, with resentment for her baby. That's about to change with the words any New Yorker would love to hear—affordable housing lottery. They've won an apartment in the Deptford, one of Manhattan's most revered buildings. Reid dismisses disturbing events and Ana’s deep unease and paranoia as the price of living in New York—people are odd—but he can't explain the needle-like bite marks on the baby.

When Alex Easton, a retired soldier, receives word that their childhood friend Madeline Usher is dying, they race to the ancestral home of the Ushers in the remote countryside of Ruritania. What they find there is a nightmare of fungal growths and possessed wildlife, surrounding a dark, pulsing lake. Madeline sleepwalks and speaks in strange voices at night, and her brother Roderick is consumed with a mysterious malady of the nerves. Aided by a redoubtable British mycologist and a baffled American doctor, Alex must unravel the secret of the House of Usher before it consumes them all.

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.

When Mouse’s dad asks her to clean out her dead grandmother's house, she says yes. After all, how bad could it be? Answer: pretty bad. Grandma was a hoarder, and her house is stuffed with useless rubbish. That would be horrific enough, but there’s more - Mouse stumbles across her step-grandfather’s journal, which at first seems to be filled with nonsensical rants...until Mouse encounters some of the terrifying things he described for herself.

After the sudden death of his wife, Tom Kennedy believes a fresh start will help him and his young son Jake heal. A new beginning, a new house, a new town. Featherbank. But the town has a dark past. Twenty years ago, a serial killer abducted and murdered five residents. Until Frank Carter was finally caught, he was nicknamed "The Whisper Man," for he would lure his victims out by whispering at their windows at night.

Odessa Hardwicke's life is derailed when she's forced to turn her gun on her partner, Walt Leppo, a decorated FBI agent who turns suddenly, inexplicably violent while apprehending a rampaging murderer. The shooting, justified by self-defense, shakes the young FBI agent to her core. Devastated, Odessa is placed on desk leave pending a full investigation. But what most troubles Odessa isn't the tragedy itself - it's the shadowy presence she thought she saw fleeing the deceased agent's body after his death.

By day, Maeve Fly works at the happiest place in the world as every child’s favorite ice princess. By the neon night glow of the Sunset Strip, Maeve haunts the dive bars with a drink in one hand and a book in the other, imitating her misanthropic literary heroes. But when Gideon Green—her best friend’s brother—moves to town, he awakens something dangerous within her, and the world she knows suddenly shifts beneath her feet. Untethered, Maeve ditches her discontented act and tries on a new persona.

Long ago, Nathan lived in a house in the country with his abusive father—and has never told his family what happened there. Long ago, Maddie was a little girl making dolls in her bedroom when she saw something she shouldn’t have—and is trying to remember that lost trauma by making haunting sculptures. Long ago, something sinister walked in the mountains and the coal mines of their hometown in rural Pennsylvania. Now, Nate and Maddie Graves are married, and they have moved back to their hometown with their son, Oliver. And now what happened long ago is happening again...to Oliver.