After "The Crown" and "The Fall," Gillian Anderson is returning to the British Isles for another TV drama. The four-episode drama "Trespasses" will debut Sunday, September 20 on PBS, the network has announced, with episodes airing weekly after that through October 11. The cast also includes Martin McCann, Emily Taaffe, Oisín Thompson, and Barry Ward. "As the forbidden love between Cushla and Michael deepens, violence looms and tensions rise," the official synopsis reads, and "Cushla is pulled between duty and desire, family and freedom." PBS has also released a teaser trailer for the series; press PLAY above to get a sneak peek.