Discussions of investigations into unsolved mysteries ranging from the supernatural to occult phenomena. Narration and interviews present viewers with stories and discussions, leaving them to decide what keeps them "Awake at Night."

Two investigators of paranormal hoaxes, the veteran Dr. Margaret Matheson and her young assistant, Tom Buckley, study the most varied metaphysical phenomena with the aim of proving their fraudulent origins. Simon Silver, a legendary blind psychic, reappears after an enigmatic absence of 30 years to become the greatest international challenge to both orthodox science and professional sceptics. Tom starts to develop an intense obsession with Silver, whose magnetism becomes stronger with each new manifestation of inexplicable events. As Tom gets closer to Silver, tension mounts, and his worldview is threatened to its core.

When an unsuspecting woman stops at a remote gas station in the dead of night, she's made the plaything of a sociopath sniper with a secret vendetta. To survive, she must not only dodge his bullets and fight for her life, but also figure out who wants her dead and why.

A mother of two inherits a home from her aunt. On the first night in the new home she is confronted with murderous intruders and fights for her daughters’ lives. Sixteen years later the daughters reunite at the house, and that is when things get strange...

Wisecracking reporter Carl Kolchak investigates a string of murders in Las Vegas and suspects the culprit is a vampire. His editor thinks he's crazy and the police think he's a nuisance, so Kolchak takes matters into his own hands.

Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.

A mysterious stranger works outside the law and keeps his objectives hidden, trusting no one. While his demeanor is paradoxically focused and dreamlike all at once, he embarks on a journey that not only takes him across Spain, but also through his own consciousness.

The local theater is producing a mystery that crime fiction expert Amy unearthed. When one of the actress' life is threatened, Amy & Travis must uncover which character is playing for keeps.

Hugo is a brilliant turn-of-the-century scientist, loved and respected by his family and friends, admired by his colleagues. But he is a man quickly becoming obsessed with a curious and frightening question...What is the mysterious apparition found in the photographs of his dying subjects?

A business man buys a house, but he has a hard time trying to get rid of its previous tenant, a dirty bum.

A chronicle of the interaction between college student Jason Moss and the object of his obsession, serial killer John Wayne Gacy.

When Lou Bloom, desperate for work, muscles into the world of L.A. crime journalism, he blurs the line between observer and participant to become the star of his own story. Aiding him in his effort is Nina, a TV-news veteran.

Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.

A man struggles with memories of his past, including a wife he cannot remember, in a nightmarish world with no sun and run by beings with telekinetic powers who seek the souls of humans.

A man steps out of a park fountain in Ho Chi Minh City with no recollection of who he is or where he came from. As he wanders through the city, piecing together clues to his past, he is relentlessly pursued by mysterious figures.

In 1949, composer Roman Strauss is executed for the murder of his wife. In 1990s Los Angeles, a detective comes across a mute amnesiac woman who is somehow linked to the Strauss murder.

Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.

Professor David Ash exposes false spiritulists and mediums. He is invited to Edbrook to resolve the fears and torments within its secretive family. Soon after arriving Ash begins to doubt his own senses, and watching the strange behaviour of its residents does not make his task any easier. In time, he finds there's more to Edbrook than even he can debunk.

A team consisting of a physicist, his wife, a young female psychic, and the only survivor of the previous visit are sent to the notorious Hell House to prove or disprove survival after death. Previous visitors have either been killed or gone mad, and it is up to the team to survive a full week in isolation, and solve the mystery of the Hell House.

The Utah community of Santa Ynez is being terrorized by a mysterious black coupe that appears out of nowhere and begins running people down. After the car kills off the town sheriff, Captain Wade Parent is determined to stop the murderous driver.

A homicide detective teams up with a criminal profiler to catch a serial killer whose crimes are inspired by the children's game, Hangman.