Though Kevin (James McAvoy) has evidenced 23 personalities to his trusted psychiatrist, Dr. Fletcher (Betty Buckley), there remains one still submerged who is set to materialize and dominate all the others. Compelled to abduct three teenage girls led by the willful, observant Casey (Anya Taylor-Joy), Kevin reaches a war for survival among all of those contained within him—as well as everyone around him—as the walls between his compartments crumble.
Suki is a young woman confronting her destructive mental illness using "The Siamese Burn," an experimental machine designed to eliminate multiple personalities. The closer Suki comes to being "cured," she's haunted by a thought... what if the last unwanted identity turns out to be her?
Mild-mannered history proffesor Adam leads a monotonous life until he discovers Anthony, a small-time actor physically identical to him. When Adam seeks out his exact look-alike after spotting him in a movie, something will happen in the subconscious of a man in crisis.
A contemporary America-set update on the novella by Fyodor Dostoevsky. Jesse Eisenberg plays Simon, a timid, isolated man who's overlooked at work, scorned by his mother, and ignored by the woman of his dreams (Wasikowska). The arrival of a new co-worker, James (also played by Eisenberg), serves to upset the balance. James is both Simon's exact physical double and his opposite - confident, charismatic and good with women. To Simon's horror, James slowly starts taking over his life.
The implausible escape of a brilliant murderess brings U.S. Marshal Teddy Daniels (Leonardo DiCaprio) and his new partner (Mark Ruffalo) to Ashecliffe Hospital, a fortress-like insane asylum located on a remote, windswept island. The woman appears to have vanished from a locked room, and there are hints of terrible deeds committed within the hospital walls. As the investigation deepens, Teddy realizes he will have to confront his own dark fears if he hopes to make it off the island alive.
Nina (Natalie Portman) is a ballerina whose passion for the dance rules every facet of her life. When the company's artistic director decides to replace his prima ballerina for their opening production of "Swan Lake," Nina is his first choice. She has competition in newcomer Lily (Mila Kunis) however. While Nina is perfect for the role of the White Swan, Lily personifies the Black Swan. As rivalry between the two dancers transforms into a twisted friendship, Nina's dark side begins to emerge.
While in the process of an ugly divorce from his wife (Maria Bello), writer Mort Rainey (Johnny Depp) relocates to his remote cabin in upstate New York for solitude. Attempting to recover his mental health, Rainey has the misfortune of being found by John Shooter (John Turturro), a farmer who claims Rainey plagiarized his work. At first, Rainey ignores the accusations, but Shooter has no intention of quietly disappearing. Soon, Shooter becomes increasingly vicious in his quest for retribution.
Rhode Island State Trooper Charlie Baileygates has a multiple personality disorder. One personality is crazy and aggressive, while the other is more friendly and laid back. Both of these personalities fall in love with the same woman named Irene after Charlie loses his medication.
A depressed man (Edward Norton) suffering from insomnia meets a strange soap salesman named Tyler Durden (Brad Pitt) and soon finds himself living in his squalid house after his perfect apartment is destroyed. The two bored men form an underground club with strict rules and fight other men who are fed up with their mundane lives. Their perfect partnership frays when Marla (Helena Bonham Carter), a fellow support group crasher, attracts Tyler's attention.
Phoenix secretary Marion Crane (Janet Leigh), on the lam after stealing $40,000 from her employer in order to run away with her boyfriend, Sam Loomis (John Gavin), is overcome by exhaustion during a heavy rainstorm. Traveling on the back roads to avoid the police, she stops for the night at the ramshackle Bates Motel and meets the polite but highly strung proprietor Norman Bates (Anthony Perkins), a young man with an interest in taxidermy and a difficult relationship with his mother.