Lucy 2014: Discover the Origin, Why You Should Watch and the Film's Fascinating Dilemma

Eighty-nine minutes. That's all Luc Besson needs in Lucy to turn a drug mule into something bordering on the divine — and leave you with a philosophical hangover that lasts for days. Directed in 2014 and starring Scarlett Johansson, the film is the kind of science fiction that isn't afraid to go over the top, and that's exactly what makes it unforgettable.

How Luc Besson Landed on This Crazy Idea

The premise is simple and explosive: what would happen if a human being could use 100% of their brain capacity? Besson worked on the script for roughly nine years before filming began, drawing on neuroscience, human evolution and Eastern philosophy to give the fantasy some weight. The French filmmaker already had a track record of complex female leads in Nikita and The Fifth Element, and Lucy is clearly a blood relative of those films.

Casting Scarlett Johansson wasn't an accident either. Fresh off Her and already lined up for Under the Skin, the actress had just proven she could carry an entire film with the barest minimum of expression — ideal for a character losing her humanity in real time. Morgan Freeman rounds out the cast as Professor Norman, the scientist whose theories about human potential come to life right in front of him.

The Drug CPH4 and the Cerebral Escalation

Lucy is a young American woman living in Taiwan who's forced into smuggling a new synthetic drug — CPH4 — surgically implanted in her abdomen. When the bag ruptures inside her body, the substance is absorbed and starts progressively unlocking her brain capacity.

At 20%, she's already mastering languages, reading minds and controlling her own body with surgical precision. At 40%, she's manipulating electromagnetism and perceiving reality in ways no human ever has. As the percentages climb, Lucy literally starts to transcend the species.

The curious detail: CPH4 isn't pure invention. It's a reference to a real molecule produced in microgram quantities by pregnant women. Besson took that scientific fact, extrapolated it to the absurd — and it worked.

Why Every One of Its 89 Minutes Is Worth It

Striking visual pacing. Besson is famous for his style, and here he's at his peak. The editing cuts action scenes together with nature-documentary footage — predators chasing prey, childbirth, evolution — drawing a bold parallel between Lucy and the biological process itself. It's not a film that lets you breathe.

Scarlett Johansson in her purest form. The transformation from frightened victim to omniscient being is gradual, believable within the film's own rules, and entirely carried by her performance. It's rare to find an actress who can sell visceral terror in one scene and total emotional detachment in the next.

Science fiction that provokes. Lucy isn't hard sci-fi. But it raises genuine questions: what makes us human? What is consciousness? What happens when intelligence outgrows emotion? These are questions that linger long after the credits roll.

Short and to the point. Ninety minutes. No forced romantic subplot, no dragged-out training montage, no bloated third act. That's rare, and it deserves applause.

The Elephant in the Room: The 10% Myth

The big talking point around Lucy is that it leans on the 10% myth — the popular (and scientifically false) idea that we only use a fraction of our brain. Neuroscientists have spent decades explaining that we use practically the entire organ, just at different times and for different functions.

Besson knew. In interviews, he admitted he used the myth consciously as a narrative device — not as a scientific claim. Professor Norman himself, within the film, makes clear it's only a hypothesis. It's the equivalent of complaining that Back to the Future ignores time-travel paradoxes: technically correct, but missing the point.

Science fiction exists precisely to explore the "what if?" — even when the "what if?" starts from a flawed premise.

Flawed Science, Flawless Experience

If you're after rigorous science fiction faithful to neuroscience, Lucy will frustrate you. But if you want an intense audiovisual experience, philosophically provocative and led by one of the best actresses of her generation, it delivers all of that without wasting a single second. It's the kind of film you finish with your head full of questions and the urge to watch it again just to catch the details you missed. The Lucy entry on our Rei dos Filmes site has the rating, trailer and synopsis, if you want to revisit it.

So, what's your read on the ending? Did Lucy evolve, become God, become a machine — or transcend all of it? Tell us in the comments.