The ICAC investigates a case relating to a policy underwriter who has been suspected to trick thB company with some outsiders. In the case, HA, who is owns a travel agent, bribes KI WAN. HA arranges K…

HA is a cunning 'woman and she is aware of plan of the ICAC. Therefore she manages to stay away from the trap. TOM is arrested in the Philippines and he is willing to act as the witness. Therefore th…

B ties up the policemen who have been instructed to protect LI.YAN fights B and in chaos, CHEUNG (LI's step-father) is shot. Luckily the police force and ICAC arrive. B grasps the time to escape. . L…

YAN and LI go home. The case is reported by the television station. The public question whether the duty of the ICAC is dangerous or not. YAN's grandmother is angry when she knows that job nature of Y…

After the training, LI is assigned to be supervised by YAN in Team B. The Immigration Department has recently arrested some illegal immigrants with fake documents. The ICAC investigate the case and t…

LIN reports HUNG's case to the police. HUNG realizes that she has committed something illegal. She regrets but it is too late. She has to return to Mainland China. In order to stay with her husband s…

PING and KI are found guilty in the court. They are imprisoned for three and four years respectively. HUNG gives birth to a boy but she still has to leave Hong Kong. Later the ICAC is appointed to in…

After investigation, the ICAC discovers that the recent case is not done by those existing gangs. Later LAY finds a man who delivers leaflets. She suspects that the man has stolen the others' stateme…

LAY and YAN's efforts are not in vain. At last they get the bills that they want. The ICAC wait for another chance to arrest the postman and STEPHEN. However STEPHEN is a cunning man and he manages t…

The drugs section requests the ICAC to give a helping hand. The officers suspect that BOB the smuggler has bribed some officers and employed some air hostesses to carry drugs to Hong Kong. LIN and LA…

With MON's assistance, NAY and YAN go to a discotheque to find a man named SAM. However they are surprised to find that SAM is CHI. CHEUNG learns from HIN about NAY's job and goes to find her. For her…

LIN is instructed to keep an eye on BOB. BOB discovers her. YAN is so clever that she claims LIN as her sister who is a gambler. LIN is following him instead of BOB. BOB suspects them and goes to pla…

After the case, Inspector C. K. of the Immigration Department is suspected. the ICAC secretly carry out investigation but get no further information. YAN, NAY and LIN decide to find more information …

MING blames the police and spreads the news that the police. received information about drug trade in BOB's mahjong house. LIN's condition is very bad. YAN calls MING who takes LIN to an illegal doct…

YAN meets her good friend CHEUNG again. CHEUNG has made brilliant success in the commercial field but he still misses YAN and wants to court her. CHEUNG hires TUNG and HIN of Yue Fung Finance to help…

The others also find problems relating to the balance sheet. Two accountants are sent from the headquarters to check it but both are killed. The police investigates the murder while HIN and TUNG are q…

CHEUNG has a plan and as he gets the disk, he kills TUNG and arranges the scene which shows that TUNG has committed suicide. HIN cannot stand it and tells the ICAC about the crime. The ICAC check TUN…

CHEUNG hires a killer to kill HIN and goes to HIN's house and office to take all disks. The ICAC is convinced by HIN and gives him protection. CHUNG gets CHEUNG's financial assistance to improve The …

It is certain that CHEUNG is a critical person in the case. MING refuses to use the relationship between YAN and CHEUNG to get more information but YAN ignores MING's instruction and investigates the …

The ICAC spreads the news that HIN has been killed. In fact HIN is kept in the headquarters of the ICAC. BILL tries to help YAN by finding LUNG to be the witness. However LUNG has been bribed by CHEU…