剧情:祖是一名警察,他接受任务,化名多尼,到黑社会去卧底。多尼首先接触了一个叫老左的黑社会成员。老左弄了一只钻戒,准备出手。正好多尼在做珠宝生意,老左就让多尼鉴定。结果,多尼鉴定钻戒是假的,为老左挽回了损失。从此,两个人成了朋友。老左在黑社会混了三十多年,他无钱无势,年纪也大了,同伙压根儿不把他放在眼里。只有多尼看得起他,愿意借钱给他,老左就把多尼介绍给了黑社会的头子。这样,多尼就顺利地打入了黑社会。 Plot: Zu is a police officer, he accepted the task, the pseudonym Donnie, to underworld to go undercover. Donnie first came into contact with a triad member called Laozuo. Old left got a diamond ring, ready to shot. Donnie just doing jewelery business, the old left let Downey appraisal. As a result, Downey identified the diamond ring as a fake, saving for the old left. Since then, the two became friends. The old left mixed in the underworld more than thirty years, he was out of money, age is big, and his associates did not put him in the eyes. Only Donnie can see him, willing to lend money to him, Lao Zuo Dony introduced to the triad leader. In this way, Donnie successfully entered the triad.