Five kung-fu masters from different regions are fighting ruthlessly for a mysterious treasure map inside the Ming Palace; while they are all tangled in wild combat, the precious map unexpectedly disappears.

故事发生在当代的香港。因偶然的机缘巧合，七叔（吴镇宇 饰）、长嫡（苏永康 饰）与乐陶（李嘉欣 饰）成了邻居。在储物柜中，七叔发现了一大叠被剪掉邮票的信件，看后方知是乐陶在美国的男友加蓝（陈子聪 饰）写给她的情书，由于信件被一个喜欢集邮的孩子偷走，乐陶收到的最后一封是加蓝的绝交信。七叔对于自己窥人隐私良心不安，准备为加蓝和乐陶来一个破镜重圆，他根据乐陶会做面包的专长，开了一家面包店，希望早晚有一天加蓝能慕名而来，与乐陶重归于好，但不幸的是，随着频繁的接触，七叔也爱上了乐陶。不久，加蓝携新女友程惠（车婉婉 饰）回港，就像原先什么都没发生过一样重新追求乐陶，七叔和程惠谙然伤神地离开了，但破镜真得能重圆吗......

A police inspector becomes obsessed with apprehending a criminal planning a major heist at the Hong Kong Jockey Club in the weeks leading up to Hong Kong's return to China.

In Hong Kong 1969, private investigation agency boss Man is investigating an extra marital case. With his two employees, the smart looking idiot Kit and the Hong Kong Columbia Radio Night School graduate Pufferfish, he follows the target Lascar Row. The trio stumbles into an antique shop and breaks many antiques in the store. The cheap Man force Kit and Pufferfish to take responsibility. Kit wisely makes Pufferfish take sole responsibility. The dumb Pufferfish helpless buys the pile of shattered antiques with his own money. In the pieces he finds a broken magic lamp...

Plainclothes policemen Brian and Mike use an elderly woman's apartment for surveillance, hoping to catch a fugitive gangster. They develop a warm relationship with their hostess, whom they call "granny." Meanwhile, each man develops a romantic relationship: Brian with a strange wandering teenage girl, and Mike with a pregnant woman at the dry cleaning shop. When the gangster returns to his flat, Brian and Mike are forced into an explosive confrontation.