Watch Guerrilla Online at Couchtuner. Set against the backdrop of one of the most explosive times in U.K. history, Guerrilla tells the story of a politically active couple whose relationship and values are tested when they liberate a political prisoner and form a radical underground cell in 1970s London. This six-part limited series is written and directed by Academy Award®-winner John Ridley, with Golden Globe and Screen Actors Guild® Award-winner Idris Elba.