Chi smuggles some relics , leading to them being chased by the police .
Advertising company staff Mo Tak - fai ( Lau ) and his friend Lai Chi ( Chan ) go to mainland China for a business trip .
Lai Chi smuggles some relics , leading to them being chased by the police .
Advertising company staff Mo Tak - fai ( Lau ) and his friend Lai Chi ( Chan ) go to mainland China for a business trip .