Highs and Lows

When HEUNG WING meets up with the drug dealer, Senior Inspector WAI SAI-LOK comes to arrest them but HEUNG WING escapes successfully. SAI-LOK discovers from his boss that HEUNG WING is an undercover police from the Narcotics Bureau. HEUNG WING tries to mingle with the drug dealers by pretending to be a drug maker. HEUNG WING’s subordinates HO KWAI, NIN YAU-FU and CHENG CHI-SHING help to take care of his family while he is carrying out duties. After arriving at the divan, HEUNG WING discovers that the most wanted man LEE BING-LUNG is the owner of the drug factory. Representing the Intelligence Unit of the Narcotics Bureau, SAI-LOK waits outside the drug factory with colleagues from the Operations Unit. SAI-LOK decides to utilize CHAN KA-PIK’s home as a temporary control centre for further investigation and he urges KA-PIK’s younger brother KA-CHUN to let them in. KA-PIK and her good friend NG TAK-TIM return home to collect some goods……

BING-LUNG sends HEUNG WING to the illegal clinic for treatments. SAI-LOK asks the new staff HEI-SUEN to inspect the market. HEI-SUEN feels that SAI-LOK is making fun of her and she feels dissatisfied. SAI-LOK discovers that HOK-LAI’s team is following them and he asks his subordinate to offer coffee to HOK-LAI. HEUNG WING wakes up and tells BING-LUNG that he will start making drugs. BING-LUNG brings HEUNG WING to chase after the informer. HOK-LAI’s team arrives and starts a gunfight with BING-LUNG. KA-PIK receives a call from her good friend JENNY during work. KA-PIK discovers that JENNY is taking drugs and she rushes to find her. She discovers JENNY losing control and jumps down from the bridge. KA-PIK mourns for her by burning offerings at the bridge. SAI-LOK invites KA-PIK to be his snitch. He asks HEI-SUEN and KA-PIK to buy drugs from CHAN KIN. CHAN KIN finds HEI-SUEN unfamiliar and he asks her to take drugs on the spot.

CHAN KIN returns home and is attacked by three masked men. In order to protect himself, CHAN KIN asks HO KWAI and the others to protect him. HEUNG WING knows that BING-LUNG wants to kill him and he tries to slow down the drug-making process. In order to find out the whereabouts of the black money from drug trafficking, WING-TUNG from the Financial Investigation Unit opens an account in the securities company by pretending to be a rich woman Mrs CHIN. WING-TUNG asks SAI-LOK to monitor TSU WING-MAU closely and SAI-LOK discovers that WING-TUNG and HEI-SUEN are cousins. After meeting with HEUNG WING, the big boss asks BING-LUNG to kill HEUNG WING afterwards. After finishing BING-LUNG’s case, HOK-LAI is transferred to the Narcotics Bureau and he becomes HEUNG WING’s team leader. The police discover that the South America drug dealers are trading with Hong Kong’s drug dealers……

SAI-LOK asks HEI-SUEN to attend KWOK-TUNG’s mother’s birthday banquet together. HEI-SUEN is shocked to discover many gangsters from the triad society there. HEI-SUEN finds SAI-LOK mingling with the gangsters naturally and she believes that he is acting against the police’s code of conducts. HEUNG WING persuades LAU FOOK to be an informer again and LAU FOOK hesitates. LAU FOOK asks SAM-KAU to meet him in the prison and SAM-KAU assures him that he can work in his seafood restaurant after releasing from jail. During the hearing of CHAN KIN’s case, KA-PIK is overjoyed to learn that CHAN KIN’s sentence is not heavy. CHAN KIN is shocked to realize that KA-PIK is his daughter. HEI-SUEN visits KA-PIK and KA-CHUN’s epilepsy is bothering him again. The doctor says that there is a new medicine to treat his illness but the cost is very high. KA-PIK is worried and she doesn’t know what to do. HOK-LAI and SAI-LOK do not coordinate with each other……

While KA-PIK is tailing after SAM-KAU and the others, TAK-TIM suddenly arrives and her plan is almost ruined. SAM-KAU discovers that one of his followers is stealing his drugs for sale and he punishes him fiercely. LAU FOOK is startled to witness it. KA-PIK discovers LAU FOOK meeting with HO KWAI and she realizes that he is also a snitch. LAU FOOK wants to withdraw from his work but HOK-LAI forces him to carry on with both hard and soft tactics. SAI-LOK goes to Macau alone to rescue KWOK-TUNG’s son. HEI-SUEN finds SAI-LOK staying with KWOK-TUNG and she suspects that they have special relationship. WING-TUNG helps HEUNG WING to pick up their son from school since HEUNG WING is busy. WING-TUNG’s boyfriend CHEUK-LUN suggests her to fight for the custody of her son. HEI-SUEN follows SAI-LOK secretly and she discovers SAI-LOK meeting up with SAM-KAU through KWOK-TUNG……

CHI-SHING realizes that HOK-LAI has discovered that he is skipping his duty. HEUNG WING assures him that he will take the blame for him. WING-TUNG informs HEUNG WING that she will fight for the custody of their son. SAI-LOK urges KA-PIK to take action. KA-PIK chats with SAM-KAU’s subordinate and finds out the transaction date. KA-PIK sneaks into the freezer when nobody’s there to carry out investigation and she finally discovers the secret inside. KA-PIK learns about the transaction location. While trying to inform SAI-LOK, KA-PIK is trapped in the freezer. On the other hand, HEI-SUEN suddenly comes with 2 policemen to arrest SAI-LOK for she believes that SAI-LOK is a dirty cop. HOK-LAI believes that he could stop SAM-KAU’s drug transaction after capturing the BOAT KING but his plan is not successful. SAI-LOK is questioned by the policemen and he refuses to disclose the truth……

HEI-SUEN apologizes to SAI-LOK for misunderstanding him. SAI-LOK asks HEI-SUEN to help giving the informer fees to KA-PIK. KA-PIK is shocked to discover that she only gets slightly more than 10 thousand dollars. In order to take revenge for KA-PIK, TAK-TIM tries to fight against SAI-LOK but SAI-LOK makes fun of him. SAI-LOK knows that he has underpaid KA-PIK and he promises to help her if she has any problems in the future. HEUNG WING indulges in his work and his son waits in the police station for a long time. WING-TUNG cannot bear it and she brings their son home. HEUNG WING has no choice but to agree letting WING-TUNG to take care of their son temporarily. HEUNG WING and the others help SAM-KAU’s old maid TAO to stay in the elderly centre. Granny CHOI from the elderly centre asks HO KWAI to protect her. HEUNG WING discovers that Granny CHOI is the witness of a drug overdose death case……

Reminded by the kindergarten principal, WING-TUNG realizes that she has been ignoring her son’s feelings and she apologizes to her son. TAK-TIM helps his head FAT LION and FAT LION assigns him to manage one of his entertainment venues. TAK-TIM is overjoyed. HOK-LAI discovers that a VCD is missing in the dead person’s home and he suspects that someone has stolen it. KA-PIK discovers people selling drugs in the entertainment venue. She believes that TAK-TIM has allowed it to happen and she kicks him away from her home. HO KWAI secretly looks for the only witness YAU-YEE, the daughter of the dead woman, to go back to the place for investigation. YAU-YEE’s foster father YAT-MING immediately asks HOK-LAI to stop him. YAU-YEE is sick suddenly and she is sent to the hospital. The doctor says that she suffers from kidney problems. HEUNG WING feels that YAT-MING’s behaviour is strange……