HBO's War with Sienna Miller, Dominic West debuts Oct 1

A new legal drama series starring Sienna Miller and Dominic West is set to premiere this fall, with the first teaser trailer released this week. The series, titled "War," will debut on October 1 on HBO in the United States and on October 2 on Sky and its streaming service NOW in the United Kingdom.

Created by writer George Kay, known for series such as "Lupin" and "Hijack," the eight-part first season plunges into the high-stakes world of London's elite law firms. The narrative centers on the explosive divorce between a British tech entrepreneur, Morgan Henderson, played by Dominic West, and an international film star, Carla Duval, portrayed by Sienna Miller. Their legal battle draws in two rival firms: Taylor Byrne and Cathcarts Sons.

The teaser trailer hints at the intense conflict, with one character declaring the case could become "the biggest divorce trial in British legal history." Another lawyer warns that if the opposition "play dirty, we will be total and utter filth." Miller's character is seen vowing to take her ex for "every penny he's got."

The series also follows ambitious young lawyer Jonathan "Johnny" Warren, played by Archie Renaux, as he is drawn into this...