The dynamic duo of Chon Wang and Roy O'Bannon return for another adventure. This time around, they to avenge the murder of Chon's father, but wind up on an case. Chon's sister is there to perform the same, however as an alternative unearths a plot to kill the royal family. No one believes her, though, and it's around Chon and Roy (who has romance on his mind) to prove her right.