Owen Cooper as Jamie in ‘Adolescence’.Credit: Courtesy of Netflix

Warning: This article contains spoilers for Adolescence.

Netflix’s Adolescence is one of the year’s most powerful new series. It’s a wrenching tale of a 13-year-old who murd3rs a classmate, touching on timely topics like bullying, loneliness, masculinity, and online radicalization.

In addition to serving as a co-creator and co-writer of Adolescence, Stephen Graham (Boardwalk Empire, The Irishman) leads a cast that also includes Ashley Walters (Top Boy, Bulletproof), Erin Doherty (The Crown, A Thousand Blows), Christine Tremarco (Wolfe, Clink), and Owen Cooper, whose devastating turn as Jamie marks his onscreen debut.

Adolescence‘s ending is emotional and open-ended, leaving many viewers with lingering questions about Jamie and his family’s fate. Read on for Adolescence‘s ending explained, including major takeaways for parents everywhere.

What is Adolescence about?

Owen Cooper as Jamie in ‘Adolescence’.Courtesy of Netflix

After 13-year-old Jamie (Cooper) is arrested for the murd3r of Katie, a female classmate, his parents, Eddie (Graham) and Manda (Tremarco), are forced to reckon with the severity of their son’s alleged crime and what role they may have played in his behavior.

The limited series unfolds in real time over four hour-long episodes, with a single camera shot chronicling Jamie’s arrest, police investigating at his school, his tense interview with a court-appointed psychologist, and his family coping with the fallout.

Did Jamie really kill Katie?

Owen Cooper as Jamie in ‘Adolescence’.Courtesy of Netflix

Though he asserts his innocence throughout the majority of the series, evidence strongly suggests that, yes, Jamie did kill Katie.

For one, there is a damning CCTV video of the stabbing that Eddie watches with Jamie in episode 1. In episode 3, meanwhile, Jamie seems to accidentally admit to the attack in conversation with psychologist Briony (Doherty). After the slip, he jumps up from his chair in agitation. “I didn’t f––ing say that! You’re f––ing putting words in my mouth! It’s a f––ing trap in here!”

Why does Jamie decide to change his plea?

‘Adolescence’.Courtesy of Ben Blackall/Netflix

Though Jamie never straightforwardly admits to the murd3r, he does change his plea to “guilty” in episode 4. It’s unclear what exactly prompted the change, though he mentions the trial date was looming closer.

“In episode 4, he’s much further along on his journey than before,” co-creator and co-writer Jack Thorne told Tudum. “Jamie now knows what he’s done and what his future might be. That allows him to put his feelings in a box and close the lid on himself in some way.”

Director Philip Barantini also weighed in on Jamie’s decision and how it impacts the family, speaking about how he coached Graham and Tremarco when directing their conversation following the call with Jamie. “I told them, ‘Imagine that someone you love has been on a life support machine,” he said. “You’ve been hoping and praying that they stay alive. Then, in this moment, the doctor finally tells you, ‘There’s nothing else we can do, and we’re going to switch the machine off.’ That’s what Jamie pleading guilty is for the Millers.”

When Jamie calls Eddie with the news, he repeatedly says he’s sorry. Ostensibly, he’s apologizing for changing his plea, but the emotion in his voice can be interpreted as him admitting his guilt. The apology, then, could also be for the many times he lied to his dad’s face about his innocence, and moreover for murd3ring Katie and the harm he’s caused to his family.

How did the “manosphere” cause Jamie to kill Katie?

Mark Stanley as Paulie Hunter, Owen Cooper as Jamie Miller and Stephen Graham as Eddie Miller in ‘Adolescence’.Courtesy of Netflix© 2024

We get a great deal of insight into Jamie’s mindset and the motives for his alleged crime when he speaks with Briony in episode 3. Many revelations align with rhetoric perpetuated by the “manosphere,” a host of websites, influencers, and blogs that promote misogyny and male supremacy, per the Center for Countering Digital Hate.

Jamie, especially, uses language that aligns with the “incel” community, an online hub of men who describe themselves as “involuntary celibate” and blame women for their struggles to establish romantic bonds. According to the Anti-Defamation League, a common point of grievance among incels is that 80% of women are attracted to just 20% of men, a sentiment that arises on several occasions in the series. Subscribing to this ideology, Jamie is convinced that he’s “ugly” and therefore has to trick girls into liking him.