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Movies Like Step Siblings Caught 21
Find movies like Step Siblings Caught 21 (2021) using TMDB similarity plus Movie Rankings community context. Our top current pick is American History X. Browse 18 related titles with direct links to rankings, cast pages, and matchup data.
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American History X
1998
Derek Vineyard is paroled after serving 3 years in prison for killing two African-American men. Through his brother, Danny Vineyard's narration, we learn that before going to prison, Derek was a skinhead and the leader of a violent white supremacist gang that committed acts of racial crime throughout L.A. and his actions greatly influenced Danny. Reformed and fresh out of prison, Derek severs contact with the gang and becomes determined to keep Danny from going down the same violent path as he did.

Happiness
1998
The lives of several individuals intertwine as they go about their lives in their own unique ways, engaging in acts which society as a whole might find disturbing in a desperate search for human connection.

Bring Her Back
2025
Following the death of their father, a brother and sister are sent to live with a foster mother, only to learn that she is hiding a terrifying secret.

From Dusk Till Dawn
1996
After kidnapping a father and his two kids, the Gecko brothers head south to a seedy Mexican bar to hide out in safety, unaware of its notorious clientele.

The Addams Family 2
2021
The Addams get tangled up in more wacky adventures and find themselves involved in hilarious run-ins with all sorts of unsuspecting characters.

Shame
2011
Brandon, a thirty-something man living in New York, eludes intimacy with women but feeds his deepest desires with a compulsive addiction to sex. When his younger sister temporarily moves into his apartment, stirring up bitter memories of their shared painful past, Brandon's life, like his fragile mind, gets out of control.

Female Trouble
1976
Teenage delinquent Dawn Davenport, incensed after her parents do not give her the cha-cha heels she wanted for Christmas, runs away from home. After an illegitimate child and hairstylist husband bring her more misery, she's enticed into a life of crime when the owners of her husband's salon promise her fame and fortune.

Hellraiser
1987
A hedonistic man finds a mysterious puzzle box that summons a group of gruesome beings known as the Cenobites. These otherworldly entities open the doors to a dominion where pain and pleasure are indivisible.

Neds
2010
NEDs (Non Educated Delinquents) is the story of a young man’s journey from prize-winning schoolboy to knife-carrying teenager. Struggling against the low expectations of those around him, John McGill changes from victim to avenger, scholar to NED, altar boy to glue sniffer. When he attempts to change back again, his new reality and recent past make conformity near impossible and violent self determination near inevitable.

Twisted Nerve
1968
Martin Durnley is a young man with an infantilizing mother, resentful stepfather and an institutionalized brother with Down's syndrome. To cope, he retreats into an alternate child personality he calls Georgie. After being caught during a theft attempt at a department store, he befriends a female customer who is sympathetic to him, but his friendship soon turns into obsession.

The Cement Garden
1993
After the death of her husband, the mother of Julie, Jack, Sue and Tom begins to suffer from a mysterious illness. Aware that she is going to have to go into hospital she opens a bank account for the children, so that they can be financially self-sufficient and will be able to avoid being taken into care by the authorities. Unfortunately she also dies and Julie and Jack (the older, teenage children) decide to hide her body in the basement so that they can have free reign of their household. Soon Tom has taken to dressing as a girl whilst Sue has become increasingly reticent, confiding only to her diary, meanwhile Jack and Julie sense an attraction developing for each other. However Julie's new beau, Derek, threatens to unearth the many dark secrets within this family as he becomes increasingly suspicious of Jack.

Nymphomaniac: Vol. II
2013
The continuation of Joe's sexually dictated life delves into the darker aspects of her adult life and what led to her being in Seligman's care.

An Indivisible Heaven
1985
Noel struggles to accept his father's remarriage to Agnes and the arrival of his step-sister, Melody. The two grow up harboring a bitter hatred for each other. When their parents die, Noel becomes Melody's legal guardian, much to her dismay. Later, each now married, the two become business partners and eventually grow closer.

Martha Marcy May Marlene
2011
After several years of living with a cult, Martha finally escapes and calls her estranged sister, Lucy, for help. Martha finds herself at the quiet Connecticut home Lucy shares with her new husband, Ted, but the memories of what she experienced in the cult make peace hard to find. As flashbacks continue to torment her, Martha fails to shake a terrible sense of dread, especially in regard to the cult's manipulative leader.

Mary Goes Round
2018
When a substance abuse counsellor gets arrested for a DUI and returns to her hometown of Niagara Falls, she learns that her estranged father is dying of cancer and wants her to form a bond with her teenage half-sister that she's never met.

Accident Man
2018
Mike Fallon, the Accident Man, is a stone cold killer. When a loved one is murdered by his own crew, Fallon is forced to avenge the one person who actually meant something to him.

Big Girls Don't Cry... They Get Even
1992
A girl fed up with her quirky, dysfunctional family runs away from home, causing all of them to spend time with each other.

Zapped
2014
Zoey is a talented dancer whose organized life is rudely disrupted when she moves in with her new step-dad and three step-brothers, until she discovers a dog-training app that can get boys to obey her every command. But she soon learns that it isn't the cure-all she had hoped for.
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