TSUN-KIN and MING-CHU at invitation go to visit the practical shooting competition, where LAI CHUN wins the championship because of her accurate and neat shooting skills. During the award presentation ceremony, LAI CHUN, in front of the Commissioner of Police, raises that she would like to join the SDU. Shortly after joining the SDU, LAI CHUN is discriminated against by her co-workers and her physical fitness is far inferior to her team members. HO-YEUNG receives a phone call from the head of a criminal syndicate, TING SHEUNG-SIN, who informs HO-YEUNG that someone was sent by the drug cartels of the Golden Triangle to Hong Kong, attempting to assess fault and blame for the death of their right-hand man. Having had a narrow escape, SHEUNG-SIN intends to step down, whereas his daughter TING HAU has always been ambitious, attempting to take over SHEUNG-SIN's criminal syndicate.… ...