The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.

The Man in the Iron Mask (1998)
Years have passed since the Three Musketeers, Aramis, Athos and Porthos, have fought together with their friend, D'Artagnan. But with the tyrannical King Louis using his power to wreak havoc in the kingdom while his twin brother, Philippe, remains imprisoned, the Musketeers reunite to abduct Louis and replace him with Philippe.

The Shadow on the Wall (1925)
George Walters is a youth who is dominated by Bleary, a heartless bully, who forces him to pose as the son of millionaire George Warring, kidnapped as a baby. The missing son had a twin brother who had recently died, but a painting of the shadow of the late son is on one wall. Walters' shadow matches this painting perfectly, establishing him as the missing son to the Warring family. Walters falls in love with Warring's daughter Lucia and finds that the family attorney Glaxton is slowly poisoning the old man.

The Shining (1980)
Jack Torrance accepts a caretaker job at the Overlook Hotel, where he, along with his wife Wendy and their son Danny, must live isolated from the rest of the world for the winter. But they aren't prepared for the madness that lurks within.

Nell (1994)
In a remote woodland cabin, a small town doctor discovers Nell — a beautiful young hermit woman with many secrets.

Connection (2021)
The biggest boxing fight of 1960 takes an unexpected turn with the help of a powerful twin connection.

RoomMate (2013)
Harumi Hagiwara lands in the hospital after being involved in an accident. She hits it off with her nurse, Reiko Nishimura, and the two decide to move in together after she's discharged. However, Harumi begins to witness a series of mysterious events soon after noticing Reiko's strange behavior. Additionally, she fears for her own safety when Reiko starts referring to herself as 'Mari' as if she's become an entirely different person. Before long, the situation develops into a case of murder.

I Know Who Killed Me (2007)
An idyllic small town is rocked when Aubrey Fleming, a bright and promising young woman, is abducted and tortured by a sadistic serial killer. When she manages to escape, the traumatized girl who regains consciousness in the hospital insists that she is not who they think she is and that the real Aubrey Fleming is still in mortal danger.

House of Wax (2005)
A group of unwitting teens are stranded near a strange wax museum and soon must fight to survive and keep from becoming the next exhibit.

What Ever Happened to Baby Jane? (1962)
A former vaudeville child star viciously torments her paraplegic sister in their decaying Hollywood mansion.

Hush... Hush, Sweet Charlotte (1964)
An aging, reclusive Southern belle plagued by a horrifying family secret descends into madness after the arrival of a lost relative.

1 by Two (2014)
Hari and Ravi are identical twins who share a very delicate and special emotional bond. When Hari dies in an accident, Ravi goes into a strange state of psychosis. Yousuf, a cop tries to uncover the mystery involved in the case.

Dead Ringers (1988)
Elliot, a successful gynecologist, works at the same practice as his identical twin, Beverly. Elliot is attracted to many of his patients and has affairs with them. When he inevitably loses interest, he will give the woman over to Beverly, the meeker of the two, without the woman knowing the difference. Beverly falls hard for one of the patients, Claire, but when she inadvertently deceives him, he slips into a state of madness.

Double Impact (1991)
Jean Claude Van Damme plays a dual role as Alex and Chad, twins separated at the death of their parents. Chad is raised by a family retainer in Paris, Alex becomes a petty crook in Hong Kong. Seeing a picture of Alex, Chad rejoins him and convinces him that his rival in Hong Kong is also the man who killed their parents. Alex is suspicious of Chad, especially when it comes to his girlfriend.

Ichi the Killer (2001)
As sadomasochistic yakuza enforcer Kakihara searches for his missing boss he comes across Ichi, a repressed and psychotic killer who may be able to inflict levels of pain that Kakihara has only dreamed of.

Tiptoes (2002)
A man is reluctant to tell his fiancee that his parents, uncle and brother are dwarfs.

Sin City: A Dame to Kill For (2014)
Some of Sin City's most hard-boiled citizens cross paths with a few of its more reviled inhabitants.

The Celebration (1998)
The family of a wealthy businessman gather to celebrate his 60th birthday. During the course of the party, his eldest son presents a speech that reveals a devastating secret that turns the night into a battle of truth and denial.

The Black Room (1935)
In a 16th-century European town, the ruling family has been given a prophecy that, should there ever be twin boys born, the younger will murder the older; so is dismayed when twins are born to the popular baron. The older grows to be a selfish, slovenly man, who inherits the castle at his father's death and becomes ruler over the formerly happy villagers. He enjoys his power until he learns his younger brother is returning from abroad and, afraid of the prophecy, he determines to murder his sibling, hide his body in the "black room" - an old torture chamber sealed away behind the fireplace - and then impersonate him, right down to his withered arm. In this way he hopes to not only avoid the prophecy, but also escape consequences of his other criminal deeds and obtain marriage to a local girl of the nobility...

Into the Mirror (2003)
Woo Yeong-min retired from the police force after trying to save his partner and causing his death. After a series of mysterious deaths in the shopping mall in which his uncle has allowed him to work as a security guard prior to its reopening, he must face both his own fear of mirrors and the mystery surrounding the fire that closed down the mall.