Directed by

Kenneth Lonergan
Made by

Fox Searchlight Pictures
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Read the complete plot summary and ending explained for Margaret (2011). From turning points to emotional moments, uncover what really happened and why it matters.
Lisa Cohen, a 17-year-old Manhattan student, is out shopping on the Upper West Side when she crosses paths with bus driver Gerald Maretti. As she runs alongside his moving bus, Maretti allows himself to become distracted, and a pedestrian, Monica Patterson, is fatally struck. Monica dies in Lisa’s arms. At first, Lisa tells the police that the driver had a green traffic signal, but out of remorse she changes her story later, keeping the truth to herself as she wrestles with guilt.
Lisa’s world at home is uneasy and complex. She has a rocky relationship with her mother, Joan, an actress who has recently found success starring in a play. Their frequent conflicts center on Joan’s theater career and her new boyfriend, Ramon, with Lisa feeling ambivalent about both. Amid these tensions, Lisa finds herself in a back-and-forth discussion with her father about a forthcoming trip to his home, a thread that underscores the unfinished business and strain within the family.
As the days unfold, Lisa’s life takes several turns that pull her in different directions. She flirts with her math teacher, Aaron Caije, and they eventually have sex. She also makes a decision to lose her virginity to classmate Paul Hirsch. In the heat of these experiences, she participates in passionate debates with classmates about politics and terrorism, showing a mind that is probing and unsettled by the world around her. Later, in a deeply personal moment, she confides to Caije, in the presence of another teacher, that she had an abortion and is not sure who the father was, mentioning there were several possibilities. The emotional gravity of these revelations sits alongside the ongoing shadow of Monica’s death.
The emotional center of the story shifts as Lisa confronts Maretti at his home. He pretends to have forgotten the details of the accident, but when confronted again he reveals in anger that he does remember, and believes he did nothing wrong. This confrontation galvanizes Lisa to pursue his firing with a fierce resolve. She does not navigate this fight alone: alongside Monica’s best friend, Emily, and Monica’s cousin, Abigail, Lisa becomes involved in a wrongful death lawsuit against the Metropolitan Transit Authority, aiming to see Maretti dismissed and to secure monetary damages for Abigail as Monica’s next of kin.
The relationship between Lisa and Emily develops in fits and starts; they become close, but the bond is rocky, especially during a later argument in which Emily accuses Lisa of using the situation to inject drama into her life. The social orbit around the lawsuit widens to include Joan and Ramon as well; after an after-show dinner, Ramon’s remark — perceived by Emily as anti-Semitic — strains the group further. Joan and Ramon experience a minor falling out, and Ramon dies of a heart attack sometime after.
As the legal process concludes, the case yields a settlement of $350,000, but the MTA refuses to fire Maretti, citing the concern that firing him could inflame a broader labor dispute. Abigail later reveals that money was the primary motivation behind accepting the settlement, a revelation that unsettles Lisa deeply. In a wrenching moment, Lisa confesses that she sees herself as Monica’s killer, a weight she carries with growing intensity.
In the final stretch of the story, Lisa and Joan attend an opera that Joan was scheduled to see with Ramon before his death. On the way, Lisa spots Maretti driving the same bus that had ended Monica’s life, sharing a brief, charged moment with him. Inside the opera hall, Lisa is overwhelmed by the cumulative emotion of all that has happened. She bursts into tears, and in a tender, shared moment, she and her mother reconnect, crying together and holding each other as the performance continues, their bond renewed even as the events of the past continue to loom over them.
Follow the complete movie timeline of Margaret (2011) with every major event in chronological order. Great for understanding complex plots and story progression.
Bus incident on the Upper West Side
Lisa Cohen runs alongside a moving bus on the Upper West Side as the driver becomes distracted. The distraction leads the bus to fatally strike a pedestrian. Monica Patterson dies in Lisa's arms, setting off the tragedy at the heart of the story.
Monica's death and the immediate aftermath
Monica Patterson dies after being struck by Maretti's bus, and Lisa remains at the scene to help her. The incident triggers a police investigation and widespread attention. Lisa's encounter with Monica becomes the catalyst for the legal and moral drama that follows.
Lisa's initial police statement
Following the crash, Lisa tells the police that the bus had a green signal. She is shaken by what happened and cooperates with investigators. Her early statement places bearings on the events that will be debated later.
Remorse leads to a changed account
Out of remorse, Lisa revises her account, suggesting uncertainty about the driver's responsibility. Her updated statements complicate the investigation and sow seeds of long-term guilt. The shift deepens the emotional weight of Monica's death for Lisa.
Lisa's fraught relationship with her mother
Lisa's relationship with her mother, Joan, becomes tense as they clash over Joan's sudden theater success and her new boyfriend, Ramon. The conflict underscores Lisa's sense of displacement within her own family. Their arguments reveal underlying strains that color the entire timeline.
Tension over a trip with her father
Lisa engages in a back-and-forth discussion with her father about an upcoming trip to his home. The negotiation underscores the emotional distance between them and foreshadows the broader theme of seeking guidance and stability. The dialogue adds to the sense that Lisa is navigating multiple loyalties at once.
Lisa's school life and debates
At school, Lisa becomes involved in heated debates about politics and terrorism with classmates. Her opinions are provocative and draw attention from teachers and peers alike. These discussions reveal a restless, questioning mindset that frames much of her behavior later.
Confronting Maretti at his home
Lisa confronts the bus driver at his home, seeking accountability. Maretti pretends to forget the details of the accident, but later reveals that he remembers and believes he did nothing wrong. The confrontation intensifies Lisa's drive to seek justice.
Beginning of the wrongful death lawsuit
Lisa, supported by Monica's best friend Emily and cousin Abigail, files a wrongful death lawsuit against the Metropolitan Transportation Authority. They seek Maretti's dismissal and monetary damages for Monica's next of kin. The legal battle shifts the focus from personal grief to collective action.
Friendship with Emily becomes rocky
Lisa and Emily grow closer, but their friendship becomes strained when Emily accuses Lisa of using Monica's death to add drama to her life. The tension tests loyalties and highlights the complexities of finding allies in a time of upheaval. The rift complicates the lawsuit's emotional landscape.
After-show dinner and Ramon's death
Lisa, Joan, Emily, and Ramon attend an after-show dinner where Ramon makes a remark that Emily perceives as anti-Semitic. Joan and Ramon have a minor falling out, and Ramon dies of a heart attack sometime after. The evening marks a tragic turn that ripples through the family and the case.
Verdict and the MTA's response
The lawsuit concludes with a $350,000 award, but the MTA refuses to fire Maretti due to concerns about inflaming a labor dispute. Abigail reveals that the settlement's financial aspect was a major motivator for her. Lisa is left shaken, admitting that she sees herself as Monica's killer.
Opera night and reconciliation
Lisa and Joan attend an opera that Joan was planning to share with Ramon before his death. On the way, Lisa glimpses Maretti driving the same bus, and the two briefly acknowledge each other. During the performance, Lisa cries openly as she and her mother reconnect, sharing a tender, emotional moment in the middle of the opera.
Explore all characters from Margaret (2011). Get detailed profiles with their roles, arcs, and key relationships explained.
Lisa Cohen
A 17-year-old Manhattan student whose life is upended by a fatal accident she witnesses. She grapples with guilt, conflicting loyalties, and a growing sense of responsibility for events she barely witnessed. Her relationships with family, teachers, and peers push her into decisions that blur truth and consequence. The narrative centers on a teenager navigating trauma, moral responsibility, and public scrutiny.
Monica Patterson
Monica Patterson is the classmate whose death becomes the catalyst for Lisa's journey. Though she dies early, her presence lingers in memories, friendships, and the legal case that follows. Monica's friendship with Lisa and Emily shapes the emotional stakes and reveals how witnesses carry invisible guilt.
Gerald Maretti
The bus driver whose distraction leads to Monica's death. He defends his actions, insisting he did nothing wrong. His refusal to accept fault fuels Lisa's drive for accountability through legal action against the MTA.
Joan Cohen
Lisa's mother, an actress whose career and personal life create tension at home. She negotiates between professional success, family loyalty, and the complexities of Lisa's choices, culminating in a vulnerable moment of connection in the opera.
Ramon
Joan's boyfriend, whose presence stirs tension within the family. His relationship with Joan is tested by events surrounding the dinner and Lisa's feelings, and his death from a heart attack adds another layer of tragedy to the storyline.
Aaron Caije
Lisa's math teacher who becomes involved with her, raising ethical questions about power dynamics and boundaries. The subsequent revelations about pregnancy and abortion deepen the moral ambiguity surrounding the case.
Paul Hirsch
A classmate involved in Lisa's exploration of sexuality. His interactions highlight teenage peer dynamics and the consequences of coming-of-age decisions within a tight-knit school community.
Emily
Monica's best friend who becomes an ally and foil to Lisa as events unfold. Their bond is tested by accusations and competing needs for attention, illustrating how friendships endure or fracture under public scrutiny.
Abigail
Monica's cousin and Monica's next of kin in the wrongful-death settlement. She is drawn into the legal process, highlighting the human costs of the tragedy beyond Lisa's personal guilt.
Learn where and when Margaret (2011) takes place. Explore the film’s settings, era, and how they shape the narrative.
Time period
The story unfolds in contemporary New York City, through the eyes of a teenage student navigating school, family dynamics, and a life-changing event. The urban setting—schools, buses, theaters, and crowded streets—shapes the emotional stakes and public scrutiny that follow. The period reflects modern-day life with media-driven perceptions and legal proceedings.
Location
Upper West Side, Manhattan
An upscale, tree-lined neighborhood on Manhattan's west side, known for its schools, brownstones, and cultural venues. The film stages its events against busy streets, transit hubs, and theater districts, reflecting urban life in New York. The Upper West Side provides the backdrop for late-day conversations, crowded buses, and intimate encounters that propel the story.
Discover the main themes in Margaret (2011). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
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Guilt & Accountability
The aftermath of Monica's death forces Lisa to confront the consequences of a momentary lapse in attention. She questions her own role, wondering whether her initial report or later remorse altered the course of events. The pursuit of accountability draws her into a wrongful death lawsuit against the MTA and into a personal moral reckoning. The film uses Lisa's inner turmoil to explore how guilt can drive action, memory, and truth.
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Family & Relationships
Lisa's relationship with her mother Joan exposes a chasm between ambition and care. The film threads conflicts with Ramon and depicts the complex dynamics of a family balancing careers, romance, and parenting. The evolving friendships, including Emily and Abigail, reveal how others reflect Lisa's choices and shape her path. The opera finale offers a fragile moment of reconciliation between mother and daughter.
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Identity & Morality
Lisa's sexual experiences with Aaron Caije and Paul Hirsch, along with the abortion revelation, push her to test her moral boundaries. The story shows how adolescence collides with adult consequences, forcing a young woman to decide between truth and loyalty. The tension between transparency and self-preservation challenges Lisa's values and sense of self. Morality is presented as a developing map rather than a fixed destination.

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Discover the spoiler-free summary of Margaret (2011). Get a concise overview without any spoilers.
In the bustling streets of Manhattan, a teenage girl walks a tightrope between the ordinary rhythm of a city that never sleeps and the weight of an event that refuses to fade. Lisa Cohen carries the unsettling sense that a single moment has forever altered her trajectory, and the urban backdrop—its relentless noise, crowded avenues, and fleeting anonymity—mirrors the turbulence inside her. The film’s tone is intimate and tense, a portrait of adolescence filtered through a lens of guilt and paranoia that turns everyday encounters into whispered doubts.
At home, the pressure builds against a backdrop of performance and expectation. Joan, Lisa’s mother, is an actress whose recent rise on stage adds a layer of fragile pride to their household, while her new boyfriend, Ramon, introduces another source of friction. Their conversations crackle with unspoken grievances, and Lisa’s relationship with her father, though less highlighted, underscores a family that is trying to stay connected while each member drifts in their own direction. The domestic spaces feel both intimate and claustrophobic, amplifying Lisa’s sense of isolation even when surrounded by people who love her.
Beyond the family walls, Lisa’s world expands into the halls of her high school, where teachers, classmates, and fleeting romances become the terrain of her search for identity. A flirtatious dynamic with a math teacher and a tentative step into intimacy with a peer reveal a young woman wrestling with desire, responsibility, and the need for validation. Intellectual debates about politics and the state of the world pulse through the corridors, hinting at a mind eager to make sense of larger forces while still tangled in personal turmoil.
All of this unfolds under a muted, atmospheric palette that blends the city’s neon glow with dimly lit interiors, creating a mood that is both contemplative and urgent. As Lisa navigates the tangled web of family expectations, school pressures, and her own haunted conscience, the story invites viewers to linger on the quiet moments of doubt and the fleeting glimmers of hope that may, or may not, lead her toward reconciliation.
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