The story follows Owen, a pizza-shop owner played by Callum Turner, and Allie, an aspiring singer played by Monica Barbaro, as they navigate the 12-hour period when sex is permitted.

The film’s world includes government mechanisms intended to enforce the rules, including tattoos that change color during the permitted period and biosensors that measure physical responses and proximity between people.

The premise has prompted comparisons to 'The Purge', although the film substitutes a legally sanctioned period of sexual activity for that franchise’s night of lawless violence.

In the film, Owen’s long-term girlfriend decides that she wants to sleep with other people on the designated night, while Owen encounters Allie during his own search for connection.

Gluck directed the film from a screenplay by Travis Braun. 'One Night Only' is rated R for sexual material, language and brief nudity, and runs for 1 hour and 42 minutes.

The film opened widely in theaters on Aug. 7.

Why the Nudity Was Reduced

Although sex is central to the story, Gluck said the finished film contains far less nudity than earlier versions.

Speaking with 'Variety', Gluck said he had become increasingly aware of audiences’ reactions to sexual material shown in theaters.

“The only thing is I don't think it's just Gen Z and Gen Alpha,” Gluck said, referring to the idea that younger audiences may be less comfortable with sex on screen.

“I believe it's been a societal shift from taking nudity in adult situations and putting them on your phones at home for everybody,” he continued.

Gluck said he believed sexual imagery had become more private and intimate for some viewers, making it uncomfortable to watch in a shared theater environment.

“Whenever people now see nudity or very adult situations in a big theater, they get uncomfortable,” he said.

Gluck said the production initially filmed extensive nudity on New York City streets because he believed those images were necessary to establish the film’s society.

“There was so much nudity in this movie that we shot on the streets,” Gluck said. “I felt we needed to show the world that way.”

He said that passersby sometimes stopped to watch actors filming intimate scenes in or around cars.

Gluck said the filmmakers ultimately incorporated some of that behavior into the film because they reasoned that people in the story’s fictional world would also be likely to stare at public sexual activity.

Test Screenings Changed the Edit

The decisive change came during screenings of an early cut, according to Gluck.

He said viewers appeared engaged when the film focused on Owen and Allie, but that their reactions changed when the camera moved away from the protagonists to show unrelated people having sex.

“As we started to show it to audiences, we felt it takes you out of the movie,” Gluck said.

He described the reaction as visibly physical, saying viewers would turn toward the people sitting beside them when explicit material appeared.

“You're engaged in the characters and what's going on, and then you pan over and there's two naked people having sex,” Gluck said.

He concluded that the sexual imagery was not producing enough benefit to justify the distraction it caused during screenings.

“So we just kept editing it out until we got a balance, and those comments went away,” Gluck said.

The director said this experience followed lessons he had drawn from the editing process on his previous film.

“Once I've learned that, which was all through the editing process for my last movie, I applied it to this movie,” Gluck said.

“But even so, I didn't apply it enough. I cut out so much.”

Gluck also said he had “long pages of empirical data” related to audience responses to sex on screen, although the published interview did not identify the studies or provide the data.

Balancing World-Building and the Love Story

The reduction in nudity did not remove sexual material from the film entirely. The New York Times lists the picture as an R-rated comedy, drama and romance directed by Gluck.

The Los Angeles Times described the fictional night as one when streets are filled with couples kissing and attempting to take advantage of the temporary change in the law.

The review also identified story complications involving condoms, police raids, catfishing, injuries and interruptions by family members.

Gluck said the film’s broader rules and government systems were intended to remain secondary to the characters’ experiences.

“It’s more about how our characters navigate life,” he said.

That emphasis helps explain why the edit moved away from some of the production’s more conspicuous images of public sex: Gluck said the filmmakers wanted viewers to remain connected to the central characters rather than become focused on the spectacle surrounding them.

The production nevertheless used an intimacy coordinator, whom Gluck described as “incredible.”

Gluck also said the production cast real-life couples at different stages of their relationships for some intimate scenes.

He said those couples included married people, people who separated during production and people who became couples in order to perform scenes together.

The final film therefore retains the sexual premise, an R rating and brief nudity, while presenting substantially less explicit material than Gluck said the production originally shot.

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