One day Pak, a taxi driver who refuses to retire, meets Hoi, a retired single father, in a park. Although both are secretly gay, they are proud of the families they have created through hard work and determination. Yet in that brief initial encounter, something is unleashed in them which had been suppressed for so many years. As both men recount and recall their personal histories, they also contemplate a possible future together.

Madam Five and carpenter Kong work together managing a famous whorehouse. Kong's apprentice Yat fails to get along with Ching due to a misunderstanding between them. Luckily, the appearance of a murderous rapist helps to resolve the misunderstanding between them. It also unites the group to defend against the sex maniac and to rebuild Madam Five's business at a new location.

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.