A directionless, young campus bus driver and a punk rock, Samoan security guard named Pineapple form an unlikely kinship as they navigate the unpredictable late shift shit show known as the "drunk bus." Together, they break out of their endless loop and into a world of uncertainty, excitement and incredibly poor decision-making.。王启聪(陈奕迅 饰)和李耀庭(郭富城 饰)是互不认识的重案组探员。聪大大咧咧不修边幅,庭辣手灵敏自命不凡。两个性格各异的警界精英因为一宗案件聚到一起,女警冯宝宝(郑希怡 饰)暂时成为他们的上司。
这宗案件由KEN(黄品源 饰)引发,他和女友打算盗窃一件价值连城的珠宝,还商量到手后就隐退江湖。结果却是螳螂捕蝉黄雀在后,他们盗来的宝物被另一伙人看上,他们追杀并捉走了KEN,女友则带着珠宝幸得逃走。她向警方提出要求:她愿意用这条项链,换回KEN的安全回来。
警方开始追查绑架KEN的黑帮。其间聪、庭和冯宝宝却意见各异冲突不断。案件的侦破困难重重。。根据抗美援朝时期,志愿军某部著名三所里穿插迂回战例“飞虎行动”改编。。