Police Detective Tetsuo ( Leo ) in the first anti-vice for undercover operations youth in understanding the private bell sister Fanny ( Charlie Yeung ) , and vivacity of Fanny often forced to make sense of the way Tetsuo like their own , often the Tetsuo say she has a killer boyfriend to take her, would like this attempting to rally to win the love of Tetsuo finally Tetsuo finally can not stand the brutal courtship of Fanny fell in love with the Fanny , just as he both enjoy the sweet love , the legend killer really back that he had killed the Mafia and Gangster and to bring Fanny to leave ... one in order to compete for the love of the calendar ...