Surrounded by barren trees in a snow-covered wilderness with a dim, dusky sky forever overhead, Siberia’s Kolyma Highway is 1200 miles of gravel packed permafrost within driving distance of the Arctic Circle. A narrow path where drivers face such challenging conditions as icy surfaces, limited visibility, and an average temperature of 60 degrees below zero, fatal car accidents are common.

As a forensic psychiatrist at New York's leading institution of its kind, Dr. Lily Dominick has evaluated the mental states of some of the country's most dangerous psychotics. But the strangely compelling client she interviewed today - a man with no name, accused of the most twisted crime - struck her as somehow different from the others, despite the two impossible claims he made.

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.

Documentary filmmaker Alice Lindstedt has been obsessed with the vanishing residents of the old mining town, dubbed “The Lost Village”, since she was a little girl. In 1959, her grandmother’s entire family disappeared in this mysterious tragedy, and ever since, the unanswered questions surrounding the only two people who were left - a woman stoned to death in the town center and an abandoned newborn - have plagued her. She’s gathered a small crew of friends in the remote village to make a film about what really happened.

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.

Late one night, exploring her father's library, a young woman finds an ancient book and a cache of yellowing letters. The letters are all addressed to "My dear and unfortunate successor", and they plunge her into a world she never dreamed of: a labyrinth where the secrets of her father's past and her mother's mysterious fate connect to an inconceivable evil hidden in the depths of history.

Rabbits is a mysterious alternate reality game so vast it uses the entire world as its canvas. Since the game started in 1959, 10 iterations have appeared and nine winners have been declared. The identities of these winners are unknown. So is their reward, which is whispered to be NSA or CIA recruitment, vast wealth, immortality, or perhaps even the key to the secrets of the universe itself. But the deeper you get, the more dangerous the game becomes. Players have died in the past - and the body count is rising. And now the 11th round is about to begin.

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.

The year is 1853. President-elect Franklin Pierce is traveling with his family to Washington, DC, when tragedy strikes. In an instant, their train runs off the rails, violently flinging passengers about the cabin. But when the great iron machine finally comes to rest, the only casualty is the president-elect’s beloved son, Bennie, which casts Franklin’s presidency in a pall of sorrow and grief. As Franklin moves into the White House, he begins to notice that something bizarre is happening.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.