WAI-YAN sneaks into a gathering activity of a Japanese secret society after receiving intelligence in connection with its alleged involvement in a local poisoning terror. The most-watched Japanese show is about to relocate to film in Hong Kong, above which the Japanese superstar MIRYO FUJII is also going to take part in the show by then. Due to this, CHI-LUNG is under orders to dispatch HOK-LAI, MAN-KEUNG, CHEUK-YUEN and KA-MING to participate in the show as well. Off-duty CHEUK-YUEN happens to be there when a robbery takes place, during which he is astonished to see that his girl friend WAI-WAI has become a patrol officer. With the Japanese show "Running Army" officially starting filming, HON-TO and CIB staff are responsible for monitoring. Seeing that the carefree siblings from the SHU family come to take part in the show, HOK-LAI cannot help feeling surprised……