Military Police serving in the Vietnam War faced danger and challenges from not only the Viet Cong but also from an unexpected enemy. 13 Moons: Anticipation reveals the inner war encountered by one policeman and the moral and emotional turmoil because of his responses. Ben Thieu Long struggled with intense, conflicted emotions in the final month of his tour. Anxiously anticipating his return home, he reacted erratically to threats to his safety. When he crossed the line, his actions left him with a weight of rage and guilt that he would carry long after his tour ended.