Director:
During an anti-drug operation / Jun Xuan met the suspect Fuzhen / and took revenge on him / causing him to be poisoned by drugs. Afterwards / Junxuan found out that 50% of the people were dead / so he felt uneasy and guilty all the time. He had to rely on the treatment of psychiatrist Hu Jialin (played by Zhu Rui) to calm down a little. Mainland police Jiang Zidan (pseudonym Bullet) (acted by Wang Yang) came to visit his friend and found that 50% had overdosed on drugs and fell from the building to death. Bullet was surprised by this / thinking it was impossible / and decided to find out the truth to prove his friend's innocence. It didn't take long for Bullet to discover that Fifty percent's death was related to a drug trafficking network run by a Hong Kong gangster group. This network was colluding with foreign drug trafficking groups and planning to open up the huge market in China! So he immediately contacted the Hong Kong police / and the two places jointly deployed operations to smash this cross-border drug trafficking syndicate.
Cast:
Wang Yang / Luo Ziyi / Zhu Rui / Su Lishan / Luo Jialiang / Liao Bier / Liu Songren / Eric Tsang / Jiang Haowen / Guo Zhenghong / Ai Wei
韦峻轩（罗仲谦饰）是香港警队里一个见习督察，立志要成为史上晋升得最快的督察。一次扫毒行动中，峻轩碰上疑犯五折，公报私仇，让五折药物中毒。事后峻轩发现五折死亡，因此一直感到不安内疚，要靠心理医生胡家琳（朱锐饰）的治疗才能稍稍平复。 大陆警察江子丹（化名子弹）（王阳饰）前来探望好友，发现五折服用过量毒品堕楼身亡。子弹对此大感诧异，认为这是不可能的事，决定要找出真相，以证好友的清白。没过多久，子弹发现五
