Rookie Sergeant Lee is injured in a shoot-out and is assigned to the dubious-sounding Miscellaneous Affairs Department (MAD). There, he is paired up with Inspector Wong, a jaded and alcoholic veteran who explains that MAD’s role is to answer supernatural calls. Wong explains MAD’s rule number one - there are no ghosts. For every seemingly inexplicable phenomenon, there is a corresponding scientific and rational explanation.

When the Ronin Gang robs an armored car, three cops — Chan, Fong and Wai — go on the warpath. Each has a personal interest in bringing down Ronin leader Tien: he killed Chan's fiancée, humiliated Fong and kidnapped Wai's brother.

Former cop-turned-bar owner Kwok and his underachieving half-brother befriends a drunken woman, they soon find themselves targeted by both her former lover, a high-powered attorney, and the gangster he employs. A suitcase full of tainted cash enters the picture as Kwok finds himself torn between the gangsters and his former colleagues.

故事讲述一位获奖无数的记者彩妮，在追查一宗新闻期间，发现了一个惊天的秘密，一家化学药品公司正在进行一项非常可怕的实验，他们以普通人作活体实验，寻找一种新型致命病毒的抗体（X计划）。
彩妮开始营救无辜的受害者，但被该药品公司总裁桑 (余文乐) 发现，桑工于心计，深藏不露，对彩妮紧追不舍，以图杀人灭口；而来自政府安全局的行动负责人阿杰对X计划所造成的恶果产生了恐慌。为了封锁消息及避免，阿杰受命将已受病毒感染的受害者逐个找出、全数消灭！
彩妮的父亲为了女儿的安全，请来阿达这位顶尖的杀手做彩妮保镖。一项残忍的实验，将彩妮、桑、阿杰和阿达都困在局中，而桑更使出杀手锏，设置了层层圈套，彩妮发现身边的神秘保镖、桑的追杀和安全局的秘密行动，让她不敢相信任何人！逃亡路上三路人马、坦克飞机的疯狂堵截，彩妮身边好友的接连死亡，一连串的暗杀事件和爆炸，疑云密布，重重追杀，她必须险境求生。

2014 film directed by Wong Chun-chun

2008 film by Jingle Ma