(👷)青(🔨)年(nián )干(gàn )(⛲)探阿(ā )宝(马浚伟(wěi )(🐌))和自(zì )己的(de )(🕋)拍档泉叔一(yī )起保(🤢)护证人,阿宝因帮(bāng )女友JoJo(叶安(🥩)婷(tíng ))买(🎾)礼物(wù )(🌫)而暂时离开,此(cǐ )(🏇)时(♑)杀手(shǒu )Ace(吴启华(👑))出现,将他们保护的证人当(🥄)场击(jī )毙(🏐),并将泉叔打(🎿)死,阿宝虽赶到但还(🚸)是让(ràng )(🚑)Ace脱身(😱),他觉(🔊)得泉叔的死(sǐ )全因自己疏忽造(zào )成(🛑),于(😞)是自责(zé )不已,并发誓要替泉(quán )叔报仇。阿(ā )宝在整理泉叔的(🙄)遗物时(shí )发现了一包毒品,那是一起(🧤)贩毒案的失踪(😍)物(wù )证(👺),阿(ā )宝立刻(kè )向(🕐)上(shàng )司王(wáng )警官汇报,并要(yào )求以此为线索(suǒ )查(chá )出真相,不料王警(jǐng )官(guān )竟将...