The story takes place in the last years of the Qing Dynasty, when the great detective Sherlock Holmes (played by Fan Eilly) and his assistant Watson (played by Xu Zhongquan) came to China to play together and stayed at the Xianlai Inn.

Alex Vanderpor
as Sherlock Holmes

Xu Zhongquan
as Doctor Watson

Xiulan Limei
as Furong / Fu Yong

Wang Chi
as Jin Mazhang

Zhang Chunzhong
as Tu Wu

Wang Hongtao
as Wencai