Child psychologist Carter Nix is a loving and caring family man, but under this appearance lies a dark and troubled past. Grappling with the consequences of this past on his own psyche and the influence of his returning father and violent brother Cain, Carter becomes involved in a series of murders and kidnappings. Meanwhile, his wife Jenny rekindles an old love affair, placing herself in the crosshairs of her increasingly unstable husband.

A mentally unstable man, who has been kept in isolation for years, escapes and causes trouble for his identical twin brother.

Seth and Jonah are twins with a dangerous ability: telekinesis. Things start to spiral out of control as their classmates die in twisted and bizarre ways. Jealousy begins to divide them and soon they can no longer trust each other, leading up to a horrific battle against themselves.

When a woman’s twin sister is drowned, she assumes her identity in order to be close to the man she feels her sister took from her years before.

A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.

Former Nazi Klaus Abard survives to the 1990s by taking anti-ageing pills. He plans to use a time travel trip to return to Germany in 1944 and present Hitler with a hydrogen bomb, so that he can win the war. Unfortunately the pilot, woman-chasing Karel Bures, dies on the morning of the trip and his earnest twin brother Jan impersonates him, without knowing about the plot.

Two friends land in hot water when they begin dating twins and one of the women ends up dead.

Twins Todd and Terry seem like sweet boys -- that is, until one of them takes an axe to the face of a fellow patron at the local drive-in.

After the death of Shaggy's Uncle Beaureguard, he, Scooby and Scrappy arrive at the late uncle's Southern plantation to collect the inheritance. But as soon as they arrive, they find it is haunted by the ghost of a Confederate soldier. With this spook on their tails while they solve riddles in search of the inheritance, they seek help from the Boo Brothers, a trio of ghost-exterminators to help catch this nasty ghoul.

Twisted Sisters is a dark thriller dealing with the personal struggle between two twins. Jennifer was given everything a girl could wish for, Norah learned to survive on nothing. Now it is time for the tables to turn. Locating, stalking and mimicking the life of her sister, Norah decides it is time that she had it all - and no-one will get in her way.

Andrew and his older brother Carl enjoy listening to ghost stories that the local undertaker tells them. One night he tells the tale of a local farmer whose wife gave birth to Siamese twins, one being good natured while the other was clearly evil. The farmer, ashamed of them, kept the twins locked in their room. Eventually the twins got sick and died together, so the farmer sawed them in half and buried the good twin in a cemetery and the bad twin in a shallow grave near the house. Later, Carl and his friends decide to hold a séance in the cemetery where the good twin is buried, but they unintentionally awaken the bad twin instead. Gradually, he possesses nearly everyone in town and it is up to young Andrew to stop him.

A crazed killer escapes from an asylum and assumes the identity of his twin brother, a famous and respected architect.