Po was an OCTB sergeant before being expelled from the police force which led him to join his friend Kit's security company and was hired by rich man Nam to be the bodyguard of his only son Cho. Po and Cho have different personalities and do not get along well; however, as times passes by, they develop a friendship.
as Lui Tin-po
as Fu Wai-fong
as Fu Ching-kit
as Kei Yin-cho
as Shek Siu-yuk
as Yau Yeuk-lam
as Kei Chung-nam
