Year: 1983
Runtime: 100 mins
Language: English
Director: Steven Hilliard Stern
Sultry college dropout Annie Burroughs moves in with her older sister Marsha and deliberately sabotages Marsha's otherwise stable relationship with her live‑in boyfriend David Mitchell, aiming to begin a sensuous, all‑consuming affair and claim David for herself.
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Read the complete plot breakdown of Baby Sister (1983), including all key story events, major twists, and the ending explained in detail. Discover what really happened—and what it all means.
Annie Burroughs, Phoebe Cates, is a wild 19-year-old who has just dropped out of college and heads to Los Angeles to live with her older sister Marsha, who runs her own gallery in the city. Marsha Burroughs, Pamela Bellwood, seems to have it all: a thriving career and a loving relationship with David Mitchell, Ted Wass, a 31-year-old doctor who dreams of building his own private practice. The siblings’ bond is tested as Annie quietly settles into a world that contrasts her chaotic youth with Marsha’s polished success. Annie lands a job as a receptionist at David’s clinic, and what begins as innocent, light flirtation gradually grows into something more charged as attraction erupts between them.
A darker thread runs through Annie’s life—the uneasy, unresolved bond with her father, Tom Burroughs, Efrem Zimbalist Jr.. Years earlier, Annie witnessed her mother’s death in a street accident. Her mother, in a desperate bid to save her child, pushed Annie out of harm’s way and was herself fatally struck by a car. Since that moment, father and daughter have lived in a tense distance, with Annie feeling as if she’s not just haunted by the loss but somehow blamed for it. The painting she once hoped would be her path as a painter—a dream she abandoned after her mother’s death—lingers in the back of her mind, a reminder of what might have been.
The film’s emotional storms intensify when David fails to save a patient named Billy, who suicides, and Annie witnesses the trauma up close. The sight dredges up her past and shocks her into acknowledging feelings she’s been trying to bury. The moment leads to a kiss between Annie and David, a complicated tangle that leaves them both unsettled. David comforts Annie, insisting the kiss was only a fleeting, innocent moment, yet guilt threads through both of them, threatening to unravel their already fragile arrangements.
One night, a family party brings old tensions to the surface. Annie presents Tom with a self-made painting, a gesture meant to bridge the gap between them. Instead, the piece unsettles him because its style mirrors her mother’s, and a sharp confrontation ensues. Hurt and angry, Annie leaves the gathering, stepping deeper into a life she’s struggling to define.
When Marsha’s plans derail, Annie fills in as a stand-in for a gallery-opening date with David, and the two resume their affair in a charged, secretive atmosphere. They both feel the pull of something real, even as guilt gnaws at them and they try to keep the truth from Marsha to spare her feelings. After a tense period, Annie decides to return to college, seeking a return to some sense of normalcy amid the chaos.
David makes a last, hopeful bid to stop Annie from leaving, confessing that he loves her. The moment takes a dangerous turn when one of his drug-addicted clients attacks him, leaving him severely injured in the hospital. Annie rushes him there, and the hospital becomes the stage for the film’s most painful revelation: a nurse hints that David’s “girlfriend” helped him, and Marsha confronts the truth. Annie finally admits to being in love with David, and David, taking the weight of the situation on his shoulders, asks Marsha not to turn her back on Annie. He accepts the responsibility, trying to shield Marsha from heartbreak.
In the end, as Annie prepares to leave Los Angeles for good, she finds a path to reconciliation with both Marsha and her father. The old wound between father and daughter loosens, and Tom reassures Annie that she is not to blame for her mother’s death. With the past acknowledged and new understanding formed, Annie steps toward a future that blends her artistic impulse, her relationship with Marsha, and her evolving connection with her father, ready to face what comes next with a quieter, steadier sense of self.
Last Updated: October 09, 2025 at 14:49
Discover curated groups of movies connected by mood, themes, and story style. Browse collections built around emotion, atmosphere, and narrative focus to easily find films that match what you feel like watching right now.
Dramas where intimate secrets threaten to tear a family apart.If you enjoyed the tense, secretive affair in Baby Sister, explore more movies like it. These dramas focus on forbidden romances and devastating secrets within families, creating a powerful mix of emotional betrayal and psychological tension.
Stories in this thread typically involve a character pursuing a forbidden relationship with someone closely tied to their family, such as a sibling's partner. The narrative builds methodically as the secret affair creates a web of lies, leading to an inevitable, emotionally charged confrontation that forces characters to confront their actions and the resulting familial damage.
These films are grouped together because they share a core focus on the destructive power of secrets within a family dynamic. They create a specific, tense mood through themes of betrayal, guilt, and the collision of personal desire with familial duty, often paced steadily to maximize psychological suspense.
Character-driven stories of flawed people finding painful growth.Fans of Baby Sister's ending will appreciate these similar stories. Discover movies about characters whose destructive actions lead to a painful reckoning, culminating in a bittersweet resolution that offers a mix of consequences and cautious hope for the future.
The narrative pattern follows a protagonist who actively sabotages their own or others' happiness, driven by personal trauma or desire. The story arc leads to a climax where their actions are exposed and consequences must be faced. The ending is not purely tragic; it often involves a degree of reconciliation or self-awareness, but the emotional cost of their journey remains deeply felt.
These movies are united by a specific emotional journey: the arc of a flawed character facing the results of their own sabotage. They share a melancholic, reflective tone and a bittersweet emotional payoff, balancing the pain of consequence with a glimmer of hard-won maturity or closure.
Don't stop at just watching — explore Baby Sister in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what Baby Sister is all about. Plus, discover what's next after the movie.
Track the full timeline of Baby Sister with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.
Discover the characters, locations, and core themes that shape Baby Sister. Get insights into symbolic elements, setting significance, and deeper narrative meaning — ideal for thematic analysis and movie breakdowns.
Get a quick, spoiler-free overview of Baby Sister that covers the main plot points and key details without revealing any major twists or spoilers. Perfect for those who want to know what to expect before diving in.
Visit What's After the Movie to explore more about Baby Sister: box office results, cast and crew info, production details, post-credit scenes, and external links — all in one place for movie fans and researchers.
Discover movies like Baby Sister that share similar genres, themes, and storytelling elements. Whether you’re drawn to the atmosphere, character arcs, or plot structure, these curated recommendations will help you explore more films you’ll love.
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