This docudrama reenacts the events surrounding the 1980 Iranian Embassy siege in London. A police negotiator (Mark Strong) tries to prevent further violence after six gunmen take 26 hostages and demand the release of prisoners in Iran. While he talks to the terrorists, a skilled SAS operative (Jamie Bell) and his team plan for a raid. Written by Glenn Standring and directed by Toa Fraser. Abbie Cornish and Emun Elliott co-star.