HBO and HBO Max officially premiered the high-stakes legal drama series WAR on October 1, 2026. The series marks acclaimed actor Dominic West’s return to the network, pairing him alongside co-star Sienna Miller in a gripping narrative set against the backdrop of London’s elite legal scene.
Set in London, the show centers on two rival law firms, Cathcarts & Sons and Taylor & Byrne. These legal titans lock horns over a high-profile celebrity divorce involving tech entrepreneur Morgan Henderson, played by West, and actress Carla Duval, portrayed by Miller. The official synopsis details how the legal battle pulls a young lawyer into a ruthless world driven entirely by ambition, power, and the unyielding pursuit of victory.
The Creative Forces Behind WAR
The launch of WAR adds another major title to HBO’s prestigious lineup of original television dramas. Known for character-driven storytelling and high production values, the network positions the series as a cornerstone of its autumn schedule. Dominic West, who previously collaborated with HBO on landmark projects, brings a commanding presence to the role of tech mogul Morgan Henderson, while Sienna Miller delivers a complex performance as actress Carla Duval.
The intense rivalry between Cathcarts & Sons and Taylor & Byrne serves as the narrative engine for the series, exploring the personal and professional collateral damage that occurs when multi-million-dollar fortunes and high-society reputations hang in the balance.
What to Expect from the Plot
Beyond the courtroom theatrics, WAR explores the darker underbelly of wealth, fame, and modern matrimony. The core conflict between Henderson and Duval escalates quickly, transforming a private marital dispute into a public spectacle. Key plot elements include:
- Intense courtroom cross-examinations and legal maneuvering by rival London firms.
- Behind-the-scenes strategy sessions exposing the cutthroat nature of high-net-worth family law.
- The personal toll exacted on associates and junior lawyers caught in the crossfire of corporate and domestic warfare.
- Surprising revelations regarding the business empire built by Henderson and the public persona maintained by Duval.
Streaming Details and Schedule
WAR premiered on October 1, 2026, at 9:00 PM on HBO and is available to stream on Max. Subscription plans for the platform start at $10.99 per month, giving subscribers access to the legal thriller alongside HBO’s extensive catalog of original programming, documentaries, and movies.
