Their Season 4 showrunner explains why they chose an unexpected plot in Part 2

You Showrunner and co-creator Sera Gamble has explained the thought process behind the shocking season finale twist.

In the fourth season of Netflix’s hit psychological thriller series, Penn Badgley’s character Joe Goldberg takes his antics across the pond to London, where he has found a new life as Professor Jonathan Moore.

After coming into contact with his neighbor Kate (Charlotte Ritchie) and her wealthy circle of friends, Joe watches as one by one they are found dead.

In an unusual turn of events, Joe falls victim to a murderous stalker who threatens to reveal his identity. He later discovers mayoral candidate Rhys Montrose (Ed Speleers) as the eat-the-rich killer who wants Joe’s help solving the murders of Kate’s family friend Roald, played by Ben Wiggins.

Warning: The following contains major spoilers forYou Season four part two

Part two picks up right where things left off in the fifth episode of the season, and sees Rhys threaten to pin the murders on Joe if he doesn’t find someone else to take the rap.

He then gives Joe a deadline and reveals that he has kidnapped the protagonist’s former lover, Marienne Bellamy (Tati Gabrielle), whose life is at stake if Joe doesn’t act quickly.

However, in an unexpected twist, viewers learn that Joe suffers from dissociative identity disorder, meaning all his interactions with Rhys have been a pipe dream and it is he who has locked Marienne in his glass cage.

“It’s a story at its core that really scares me and intimidates me as a writer,” creator Gamble said of the plot twist in a new interview with The Hollywood Reporter.

“People will immediately say, ‘Oh, they drew one fight club.’ To the right? That’s what I called it. “Oh, we’re going to do one fight club Thing.’ First off, that’s a really high standard. There were a lot of crappy versions,” she said.

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She continued, admitting, “You have to have a good reason why you’re doing it and then also have tons of ideas up your sleeve on what to do with it once you jump in the deep end.

“The first thing that attracted me was that this was going to be a real challenge. For better or worse, I have no great interest in working on a season of TV that doesn’t continue to challenge me as a writer and challenge the writers’ room.

Of the latest series, Gamble called it the “toughest season by a mile.”

“First we did a whole thriller [with part one], and then we would go back to the beginning of every single scene all the time and follow what happens when you find out what’s really going on with Rhys,” she added. “We had that in mind for several seasons. We started talking about it early on.”

It wasn’t until “we knew we were doing the crime novel” that they finally “committed” to the unanticipated twist, Gamble said.

“We’ve been watching closely from season to season how crazy Joe was because we didn’t want him to be completely out of left field,” she explained.

You Part two of season four is available now on Netflix.