Key Crew
Producer
Ronald Wong, Charley Zhuo Wu, Catherine Hun
Executive Producer
Li Kuo-Hsing, Guo Lin Li, Karen Fu
Editor
Curran Pang
Director
Felix Chong Man-Keung, Alan Mak Siu-Fai
Writer
Alan Mak Siu-Fai, Felix Chong Man-Keung
Keywords
undercover agent
secret intelligence service
assassination attempt
morse code
blind man
adult illiteracy