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Jonathan Bailey is set to star in a very different period drama from Bridgerton.

Bailey will co-star with Matt Bomer in Fellow Travelers, a limited series on Showtime set in 1950s McCarthy-era Washington, D.C. that is part epic love story, part political thriller that will track the "volatile romance" of two men over four decades.

Here's everything we know so far about the show.

Fellow Travelers is based on a historical fiction book of the same name by Thomas Mallon.

Here's the plot of Mallon's novel: "It's 1950s Washington, D.C.: a world of bare-knuckled ideology and secret dossiers, dominated by personalities like Richard Nixon, Lyndon Johnson, and Joe McCarthy. Enter Timothy Laughlin, a recent college graduate and devout Catholic eager to join the crusade against Communism. An encounter with a handsome State Department official, Hawkins Fuller, leads to Tim's first job and, after Fuller's advances, his first love affair.

As McCarthy mounts a desperate bid for power and internal investigations focus on 'sexual subversives' in the government, Tim and Fuller find it ever more dangerous to navigate their double lives. Moving between the diplomatic world of Foggy Bottom and NATO's front line in Europe, Fellow Travelers is a searing historical novel infused with political drama, unexpected humor, and genuine heartbreak."

The plot takes place over four decades, starting in the 1950s.

Bomer is set to play charismatic Hawkins Fuller, and Bailey will play the young and idealistic Tim Laughlin. Fellow Travelers will follow Hawk and Tim's story over four decades—as the two cross paths through the Vietnam War protests of the 1960s, the drug-fueled disco hedonism of the 1970s, and the AIDS crisis of the 1980s.

"Just getting to play the character over the course of 35 years—some of the scenes that take place in the last episode for me were such a rite of passage in terms of saying goodbye to the character," Bomer told Vanity Fair. Bailey adds, "It’s been just the most joyous, emotional, and also informative experience I’ve had on a job. I’ve never grieved a character more."

Allison Williams will play Lucy Smith, Senator Wesley Smith's daughter who has known Hawk since they were teenagers. Linus Roache will play Senator Smith, who also is a mentor/father figure to Hawk. Other series regulars include Jelani Alladin, who will play Marcus Hooks, a Black D.C. journalist who covers the Senate, and Noah J. Ricketts will play Frankie Hines, a drag performer at an underground gay nightclub.

The show filmed from July to December 2022.

Bailey filmed Bridgerton season three at the same time, commuting between Canada and the UK.

Oscar nominee Ron Nyswaner created the show, and will executive produce alongside Bomer, Robbie Rogers, and Daniel Minahan. Minahan will also direct the first two episodes. "The ambition of going through the different decades and finding a really compelling story—nothing like that had been done, where it’s an epic gay love story that has this political element that’s woven through it," Rogers said.

Fellow Travelers is set to premiere October 27, 2023.

There will be eight episodes total. The drama will air on Paramount+ With Showtime, and you can watch the date announcement video here:

We'll update this post as soon as we learn more.

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