SUM becomes suspicious on XIAO because of the driver ZHONG. She tries to put a tape recorder in XIAO’s car and TONG witnesses this accidentally. TONG wants to accompany SUM to Taiwan for investigation but SUM wants to carry out the task by herself secretly. XIAO discovers the tape recorder while driving with TONG… BO meets a thief while patrolling. She tries to run after the thief but she gets an asthma attack suddenly. KIU asks CHIU to treat BO nicely. They argue with each other angrily and they finally reveal to MING that they cannot work together. TONG and SUM go to Taiwan to visit the gang leader there for they want to investigate the background of ZHONG. SUM returns Hong Kong to arrange the location of TIN’s coffin. FOOK TIN suddenly comes out to blame her. Somebody attack SUM on the street. ZHONG and TONG risk their lives to safe SUM……