Three brothers living with their father fib and play pranks to win parental approval for themselves and their romances.
The police track down a notorious burglar in order to apprehend him. However, he is given a chance to make up for his ways by working with the police on a case involving stolen diamonds.
After a young Triad member takes an upper-class girl hostage during his escape from a jewelry heist, the two find themselves falling in love, in spite of the repercussions caused by their forbidden relationship.