Blind Detective (盲探) Official Trailer directed by Johnnie To and starring Andy Lau, Sammi Chengbr br Forced to leave service after turning blind, former detective Chong See Tun (Andy Lau) ekes out his living by solving cold cases for police rewards. During a bank robbery case, he meets an attractive hit team inspector Ho Ka Tung. (Sammi Cheng). When Ho notices Chong's strong sense of hearing and smell, she enlists his help in a personal case and he decides to take a stab.