Pai 'The Rat' always gets into trouble with Chan 'The Cat'. They always try to outsmart each other even when it threatens the lives of other people.

Alexander Fu Shengas Bai Yu Tong, Rat
Adam Cheng Siu-Chowas Jien Chiu (Royal Cat)
Hsiao Hoas Cheung Ping, Water Rat
Kara Wai Ying-Hungas Jien Yu Lan
Gordon Liuas Emperor Yang Xi
Lau Kar-Wingas Master Si Da Fu
Cheung Chin-Pangas Sky Rat
Lydia Shum Tin-Haas Bai's Mother
Lung Tien-hsiangas Shui Sheung Piu
Wilson Tong Wai-Shingas Thief