An ageing bachelor playboy finally meets the girl of his dreams and proposes marriage, only to discover her psychologist stepmom was his first love long ago. The future in-laws initially pretend not to know each other but as the wedding date gets nearer, the rekindling of long-dormant feelings develops into a cross-generational love triangle.
Kung (Eric Tsang) and Kin's (Jacky Cheung) rivalry goes way back to the seventies when they fought over the same girl, who eventually became Kung's wife (Anita Yuen). Now they run competing phone stores right across from each other on Mongkok's busiest street, and stretch their minds trying to outdo each other with crazy promotions. There's absolutely no mixing with the enemy in these parts - until Kung and Kin's kids fall for each other! Further chaos breaks out when the landlord triples the rent of all the shop owners to force them out for redevelopment.
Unemployed comic book artist Luk (6 Wing) is not having a good day. His girlfriend (Charmaine Fong) just left him, and he's off to pitch his latest work to a publisher that turns out be very sketchy. The editor (MC Jin) wants Luk to add more gratuitous violence and deaths to his story, which he does in amusing manner. After the meeting, Luk goes about his business as normal, but he finds that everywhere he goes he encounters strange conflicts that lead to gratuitous violence and deaths.
When Rain, a beautiful university year 4 student receives an SMS on her mobile phone - "Do you know what the 19th Gate of hell is?", the nightmare begins for her. It is not too long before she realizes that she is unwittingly trapped in a terrifying mobile phone game from hell and this game is larger than life.
