YEE kills one of his enemies on the heels of his release from prison, and then returns to the garage that he and the other three jointly invested in to have dinner together. While there, he together with HAU, CHUNG and YAN reflect on the bygones, ranging from being sent to prison to the considerable hardship they all experienced in Vietnam years ago. CHI-LUNG transfers HOK-LAI, KA-MING and TAK-WAI to team B, making HOK-LAI their leader for the time being. After leaving the SDU, CHEUK-YUEN is transferred to the CIB, not only becoming WAI-YAN's co-worker but also reuniting with his former fellow member of the SDU, KAI-KWONG. When instructing WAI-WAI how to fire the gun, CHEUK-YUEN comes to realize that he is absolutely terrified of guns now. CHI-LAI and HOK-LAI's car breaks down, so they seek aid from the garage run by YEE and the others, without knowing that it triggers YEE and the others' motive to kill them……
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