“Outlander” season 3 is set to premiere on Starz this September 10. From when the production of “Outlander” season starts up to the possible plotlines, here is everything we need to know about the series based on Diana Gabaldon’s novel, “Drums of Autumn.”

Cast and production

The main cast of the show will reportedly reprise their roles in the upcoming fourth season of the time traveling series. Sam Heughan, Caitriona Balfe, Tobias Menzies, Duncan Lacroix, Lotte Verbeek, Laura Donnelly, Steven Cree, Grant O’Rourke, Gary Lewis, Graham McTavish, Stephen Walters, Simon Callow, Nell Hudson, Bill Paterson, Dominique Pinon, Claire Sermonne, Robert Cavanah, David Berry, Sam Hoare are all expected to return for “Outlander” season 4.

Showrunner Matthew Roberts confirmed in a Twitter post that they will need to add additional members as the historical series’ story moves forward to America. During a question and answer session with “Outlander” fans, he said that the production team has started casting for the fourth season but he opted not to share further details about it.

Roberts also revealed that he was busy writing the script for “Outlander” season 4. He shared that he has an amazing team to help him with it. It was also revealed by executive producer Ronald D. Moore that they hired a few writers to help them out in writing a compelling story for the third and fourth season.

The need to hire new writers came after one of the writers of the Starz series, Anne Kenney decided to retire from “Outlander.” The scribe took to her Twitter account to share the sad news with her fans.

What will the story of the fourth season be?

“Outlander” season 4 will be based on Diana Gabaldon’s “Drums of Autumn.” In the book, it was revealed that Claire (Caitriona Balfe) and Jamie (Sam Heughan) will relocate to North Carolina.

This plot was also revealed by the executive producer of the show, Ronald D. Moore. He also said that Claire and Jamie will completely change course and leave Scotland behind. He also added that Claire and Jamie’s family will establish “Fraser’s Ridge."

According to an interview held with Deadline, Moore said that the Starz series will still continue and they expect to add more seasons as Diana Gabaldon is still writing compelling stories for her novel. Moreover, he also said that as long as fans are willing to “go along for the ride,” “Outlander” can still move forward.