An assassin called Filthy Harry is hired by a shady figure and charged with killing the heroes. The men are framed twice for different robberies by King Kong's new girlfriend, nearly committed to a mental hospital by their devious boss, and forced to battle Filthy Harry's weaponry-laden robot while covered with time bombs.
Sam Hui
as King Kong
Karl Maka
as Albert Au
Sylvia Chang
as Supt. Nancy Ho
Walter Tso Tat-Wah
as Hua
Yasuaki Kurata
as Bull
Billy Lau Nam-Kwong
as Bull's thug
Eric Tsang Chi-Wai
as Fattie
Wong Ting-Foon
as Juju
Hon Kwok-Choi
as Squealie
Tsui Hark
as Camco