"Yes" is the story of a passionate love affair between an American woman (Joan Allen) and a Middle-Eastern man (Simon Abkarian) in which they confront some of the greatest conflicts of our generation - religious, political and sexual. Sam Neill plays the betrayed and betraying politician husband and Shirley Henderson a philosophical cleaner who witnesses the trail of dirt and heartbreak the lovers leave behind them, as they embark on a journey that takes them from London and Belfast to Beirut and Havana.