精英狙击手布兰登·贝克特和理查德·米勒负责保护一个重要目标。在与敌人战斗时被未知目标射击，谁知道了他们的确切位置？ 谁与敌人有联系？谁与敌人达成了秘密的交易？ 谁是幕后黑手？。A 16 year old boy who had thought that his father's death was an accident, suspects otherwise when he receives a 10-year-old lost letter his father had written just before his death.。