A martial arts comedy about 3 good friends - a wealthy businessman, a kung fu master n a swindler. The swindler on the verge of dying, begs kung fu master to take care and protect his son, the wealthy businessman to support his son financially. When he turns 18, the secret cache to his years of swindling will be revealed. However with mistaken identities, misunderstanding and unexpected incidents leads to a hilarious, martial arts (Wing Chun style) journey!

Having defeated the best fighters of the Imperial Japanese army in occupied Shanghai, Ip Man and his family settle in post-war Hong Kong. Struggling to make a living, Master Ip opens a kung fu school to bring his celebrated art of Wing Chun to the troubled youth of Hong Kong. His growing reputation soon brings challenges from powerful enemies, including pre-eminent Hung Gar master, Hung Quan.

In 1989, there were rumors saying money became joss papers when a delivery guy returned to his restaurant after delivering food order to Room 4E of Sau Lai Building which was to be disassembled. Such rumors horrified restaurant staff members nearby as they all afraid that they would receive call from the ghost someday. Shui, who was a staff member from Chiu Fat Restaurant, however, manipulated people’s superstition, claiming that he received order from the ghost. He stole all the money after delivering food orders while replacing the money with joss papers. His boss and colleagues were shocked as they had never thought that their restaurant was chosen and cursed! Shui found that his trick succeed and thus decided to cheat money using the same tactics again and again...

In 1970s Hong Kong, the Independent Commission Against Corruption (ICAC) was formed to bring down the corruption syndicate led by British government officials. One of its top investigators is Senior Investigator Lau Kai-Yuen, who brought down countless corrupted officials. Just as he thought stability and prosperity are within reach, a new era of greed and riches takes him into a new battlefield of corruption.

Following his defeat by Master Ip, Cheung Tin Chi tries to make a life with his young son in Hong Kong, waiting tables at a bar that caters to expats. But it's not long before the mix of foreigners, money, and triad leaders draw him once again to the fight.