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.

Joe works at a facility that performs human experimentation. His work just followed him home. The government wanted to unlock hidden abilities in the human mind. They put subjects in extreme sensory deprivation. All the test subjects went violently insane. But the research continued. Today it has been perfected. Almost perfected.

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.

Mike and Beth didn't know each other existed before the night of the meteor shower. A melancholy film producer and a house sitter barely scraping by—chance made them neighbors, a bottle of champagne brought them together, and a shared need for human connection sparked something more. After a drunken and desperate one-night stand, the two strangers awake to discover a surprise astronomical event has left widespread destruction in its wake. But the cosmic lightshow was only part of something much bigger, and far more terrifying.

High up on the windswept cliffs of Pale Peak, Faye and Felix celebrate their new engagement. But soon, a chorus of ghastly noises erupts from the nearby woods: the screams of animals, the cries of children, and the mad babble of a hundred mournful voices. A dark figure looms near the windows in the dead of night, whispering to Faye. As the weather turns deadly, Felix discovers that his terrified fiancée isn't just mumbling in her sleep—she's whispering back.

Raised in a household so filthy it was stomach-spilling, Vera involuntarily evolved into a neat freak. Upon discovering she and her disabled husband, Daniel, are expecting, she needs fast cash. Her obsession with cleanliness sprouts the concept that her skills can be put to use in a unique way. She takes a stab at the booming door-to-door vacuum sales business of 1988. All is going well until she arrives at the steps of a house that will change her forever. The steps of an evil that resurrects the ghastly memories she so desperately tried to wash away.

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.

Buried in debt due to his young daughter’s illness, his marriage at the brink, Mario reluctantly takes a job as a hitman, surprising himself with his proclivity for violence. After tragedy destroys the life he knew, Mario agrees to one final job: Hijack a cartel’s cash shipment before it reaches Mexico. Along with an old friend and a cartel-insider named Juanca, Mario sets off on the near-suicidal mission, which will leave him with either a cool $200,000 or a bullet in the skull. But the path to reward or ruin is never as straight as it seems.

With nothing but the clothes on his back - and something horrific snapping at his heels - Jack Winter fled his rural Georgia home when he was just a boy. Watching the world he knew vanish in a trucker’s rearview mirror, he thought he was leaving an unspeakable nightmare behind forever. Now, years later, the bright new future he’s built suddenly turns pitch black, as something fiendishly familiar looms dead ahead. Surviving a violent car crash seems like a miracle for Jack’s family, but Jack knows there’s nothing divine about it.

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.