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The film took place in the largest armory during the Republic era. A series of mysterious murders took place, as each cursed "phantom bullet" led detective Lau Ching Wan and hot blooded investigator Tse Ting Fung into a dangerous pursuit of the culprit. Ching Wan was in THE MAD DETECTIVE (SUN TAM), but this time this detective was "very awkward. He knew neither kung fu nor gun use". Having played many "vicious cops" Ting Fung this time changed from his past impulsive image and displayed extraordinary intelligence and scheming. Although they worked together for the first time they were already full of chemistry. Ting Fung admitted that he participated because of Ching Wan, "the actor who the most stars want to work with". He thought that being able to work with "Brother Ching Wan" was a recognition of himself. Privately he would even "peek" at his acting. Ching Wan praised Ting Fung as very hard work and was envious of his intimate romantic scenes with Mini Yang Mi. They agreed that their first collaboration was a lot of fun and had exchanges both on and off screen. At the shoot they were able to set off spark.
Source: Takungpao, Mingpao, Singtao, on.cc
Translated by: hktopten