Title: World's Finest
Released: 2004
Episodes: 35

Casts:
Li Ya Peng
Wallace Huo
Gao Yuan Yuan
Michelle Yip
Roger Kwok
Chen Yi Rong

Synopsis:
The story is set in the middle of ancient China’s Ming Dynasty: Four martial art experts, led by emperor’s uncle, formed an imperial secret service, called them self “The Dragon’s Protectors."

Immediately after they have foiled the assasination attempt of the emperor, a complex and devious conspiracy of treason, which involved a Japanese Samurai gang, was also unveiled. Just as the team head into the clues and investigate deeper into the web, they soon discover a small connection linking them back to their own organization. As in result, each prominent member of the Protectors team must to use their skill, wisdom and expertise, to solve the mystery that threatens the very existence of the “Dragon’s Protectors."

Chinese Synopsis:
明朝中葉，皇叔鐵膽神侯﹝劉松仁飾﹞受先皇之命，創立「護龍山莊」，持「丹書鐵券」，「尚方寶劍」，權力淩 駕所有朝廷機構。他手下有四大密探：天、地、玄、黃。

「天字第一號」段天涯﹝李亞鵬飾﹞，冷靜沉著，自小給鐵膽神侯收養，在東瀛跟隨「伊賀派」學得忍術及「 幻劍」，武功深不可測。「地字第一號」歸海一刀 ﹝霍建華飾﹞，高傲寡言，眉宇間帶點憂鬱，殺人從不用使第二刀。「玄字第一號」名為上官海棠﹝葉璿飾﹞，艷 如桃李，機智過人，醫卜星相，無不通曉，平日卻作男裝打扮。「黃字第一號」成是非﹝郭晉安飾﹞，本是個市井 小人物，詼諧滑稽，不學無術卻機智玲瓏，及後更成為大內密探。

護龍山莊大內密探最大的敵人就是當時大太監曹正淳﹝李建義飾﹞，他自恃掌管東廠，權傾朝野，結黨營私， 勾結貪官，無惡不作。他與神侯誓不兩立，時刻找機會剷除護龍山莊。神侯則矢志要「清君側」，將他伏法以保社 稷.

+credits to wikipedia+