A world-class prankster is so accomplished that he hires himself out to wealthy patrons with an axe to grind. However, he will not target anyone he does not think deserves it., Lee Lik-chi spins this zany comedy about world-class trickster Ko Hing (Lau Ching-wan) who has become so accomplished in his chosen trade that he hires out his services for a hefty fee to wealthy patrons with an axe to grind. However, Ko has a code of ethics and will not target a person whom he does not feel deserves it. When he refuses one such job, the frustrated would-be client hires Ko Hing’s rival Lau Kar-lin (Lau Kar-ying) who goes by the moniker “the Handsome and Charming Tricky Emperor.” While fending off Lau’s prank, Ko accidentally knocks a beautiful though destitute blind lass named Moon (Anita Yuen Wing-yee) down a flight of stairs. Feeling sorry for the girl, Ko lets her stay at his place and inevitably love blooms., A man tries to reunite a couple after a practical joke leads to their breakup.