A vintage tracksuit, a cigarette in hand, and an icy glare that spells instant death. On NETFLIX, Mindy Markowitz (Carol Kane) proves that the most dangerous assassin in the room is the one you least expect. But the lethal secret hidden right beneath the diner table in this exact moment is…

In an era when streaming platforms flood viewers with high-octane action and sleek young protagonists, Netflix has delivered something far more unsettling and far more memorable. The new spy thriller centered on Mindy Markowitz does not rely on gadget-laden superspies in tailored suits or parkour sequences across European rooftops. Instead, it hands the audience a woman who looks like she might be heading to a late-night grocery run, and then reveals that she is the deadliest person in the room.

Carol Kane, long celebrated for her idiosyncratic comic timing and indelible supporting roles, steps fully into the spotlight as Mindy, a soft-spoken, middle-aged operative whose greatest weapon is the world’s refusal to take her seriously. The opening sequence sets the tone with surgical precision. Fluorescent lights hum over Formica tables. The smell of coffee and frying oil hangs in the air. Mindy sits alone in a corner booth of a nondescript American diner, wearing a slightly faded tracksuit that looks like it came from a 1970s catalog. A cigarette burns between her fingers. Her expression is pure ice. Across the table sits a man who believes he is conducting a routine meeting. He has no idea that the most dangerous assassin in the room is the one he least expects.

That single image—vintage tracksuit, cigarette, icy glare—has already become the show’s defining visual. It is both absurd and terrifying, a perfect encapsulation of the series’ central thesis: the greatest threat often hides in plain sight, wrapped in the ordinary.

What makes Mindy Markowitz so compelling is the careful construction of her cover. She is not a glamorous double agent who slips between identities with effortless elegance. She is deliberately, almost aggressively ordinary. Her voice is soft. Her posture is slightly hunched. She asks about the specials and complains about the coffee in the same tone she uses to extract information. Kane plays every beat with microscopic control. The moment her eyes harden, the entire atmosphere of a scene changes. Viewers feel the shift before they fully understand it. One second she is someone’s slightly eccentric aunt; the next she is a professional who has already decided how the encounter will end.

The series builds its tension through restraint rather than constant spectacle. There are action sequences, of course—tight, brutal, and often shockingly intimate—but the real suspense lives in the conversations. A quiet discussion in a parked car. A late-night walk through a nearly empty parking lot. A seemingly casual exchange over a diner table while something lethal waits just out of frame. The show understands that the most effective spies are not the ones who announce their presence with explosions. They are the ones who make you lean in closer, only to realize too late that you have already lost.

Carol Kane’s performance is the engine of the entire production. Decades of work have given her an almost supernatural ability to convey volumes with the smallest gestures. A slight tilt of the head. A pause before answering a question. The way she holds a cigarette as if it is both a comfort and a weapon. In Mindy, Kane has found a role that allows her to weaponize every eccentric note in her instrument. The result is a character who feels lived-in and lethal at the same time. She is funny without ever undercutting the danger. She is vulnerable without ever becoming weak. She is, above all, unpredictable.

The supporting cast is carefully chosen to amplify Mindy’s singularity. Surrounding her are younger operatives who still believe in clean lines and clear protocols, older handlers who have seen too much, and targets who never see her coming. The dynamic creates constant friction. When Mindy walks into a room full of people who think they understand the rules of the game, the audience already knows the rules are about to change.

Visually, the series leans into a deliberate contrast. The cinematography favors naturalistic lighting and slightly desaturated colors that make the occasional burst of violence land harder. Costume design does quiet but essential work. Mindy’s tracksuits and practical coats are never played for pure comedy. They function as armor and misdirection. In a world of tailored suits and designer watches, she looks like someone who does not belong—and that is precisely the point.

One of the series’ most effective sequences unfolds almost entirely in a single location: a 24-hour diner on the edge of a city that never quite sleeps. Mindy sits across from a man who believes he is the one in control. The camera stays close. The dialogue is polite, almost banal. Yet every line carries weight. The cigarette ash grows longer. The coffee goes cold. And somewhere just beneath the table—out of the man’s sight but not the audience’s—something waits. The show does not rush the reveal. It lets the tension accumulate until the ordinary setting itself begins to feel like a trap.

This is the heart of the series’ power. It understands that true suspense does not require constant movement. Sometimes the most frightening thing is a person sitting perfectly still, watching you with eyes that have already calculated every possible outcome.

Carol Kane has spent a career making audiences laugh, often by embracing the odd and the unexpected. Here she uses that same instinct for the unexpected to generate dread. The performance never feels like a departure from her previous work so much as a dark evolution of it. The same qualities that once made her characters memorable now make Mindy terrifying. The odd cadence of her speech. The sudden flashes of intensity. The way she can seem both fragile and indestructible in the same moment.

The writing trusts its audience. It does not over-explain Mindy’s history or drown the story in exposition. Details emerge gradually through action and reaction. We learn who she is by watching what she does when the stakes rise. We learn what she is capable of by observing how carefully she chooses not to show her hand until the precise moment it becomes necessary.

In an overcrowded landscape of spy thrillers, this series stands apart because it refuses to flatter conventional ideas of power. Strength here does not look like physical dominance or technological superiority. It looks like patience. It looks like the ability to sit in a vinyl booth under harsh lighting, smoking a cigarette, while the person across from you slowly realizes they have made a catastrophic mistake.

Netflix has given viewers a thriller that respects their intelligence and rewards close attention. It is stylish without being flashy, violent without being gratuitous, and character-driven in the purest sense. At its center is Carol Kane, delivering a performance that redefines what an undercover operative can look like on screen.

The vintage tracksuit is not a costume. The cigarette is not a prop. The icy glare is not an affectation. Together they form a complete statement: the most dangerous person in the room is often the one no one is watching.

And once you start watching Mindy Markowitz, it becomes very difficult to look away.

The lethal secret hidden beneath that diner table is only the beginning. What follows is a masterclass in controlled tension, unexpected violence, and the quiet power of a woman who has spent a lifetime being underestimated—and has learned exactly how to use that underestimation as a weapon.

Carol Kane does not merely play an undercover operative. She embodies the idea that the ultimate threat can wear the face of the ordinary, speak in a soft voice, and still leave the room in absolute silence when the work is done.

This is spy storytelling at its most unsettling and its most effective. Netflix has a genuine standout on its hands, and audiences who settle in for the ride will discover that the woman in the tracksuit is not just the most dangerous person at the table.

She is the one who was always in control.