In 2006 the UK Minster of Defence announced the deployment of British Troops to Helmand Province, Afghanistan, saying: "We would be happy to leave Afghanistan without firing a single shot". "The Patrol" features a British Army Operational Mentor and Liaison Team supporting this NATO led operation. As the scale of the Taliban insurgency dawns on the soldiers, problems with their operation cause the men to question their role in the war.也是因为这个消息，陈源才这么急带夏草和樱桃回中央区，他想尽快知道卫柱国到底有没有事，或者，看看他还活着没有。驾着飞车飞速驶向中央区的时候，陈源心里又有点担心父母和弟弟，在酒店的光脑上，他还收到了一封弟弟发给他的邮件。
