艾迪（尼克·莫伦）思维敏捷，是个玩牌高手。在三个好友的支持下，艾迪携巨资参加了黑社会的高额赌局，不想落入圈套，欠下50万的赌债。为了还清赌债，艾迪和朋友们绞尽脑汁，最终算计到一群毒贩身上，并为打劫购买了两杆老式烟枪。 　　不想这群不安分的毒贩，正惦念着他们毒品供应商的钱，并在同一天实施了打劫。在毒贩们费尽周折，把毒品供应商熨的整整齐齐的钱款拿到手后，艾迪他们幸运的坐享其成。可是他们不知道，这看似简单的抢劫案背后，更有厉害的角色参与其中。他们手里的两杆破烟枪也隐藏着不少故事。 　　在无知与莽撞中置身漩涡的他们能侥幸脱身么？笑料迭出的偶发事件里，穿插着小人物与大人物的辛酸幽默。Four Jack-the-lads find themselves heavily - seriously heavily - in debt to an East End hard man and his enforcers after a crooked card game. Overhearing their neighbours in the next flat plotting to hold up a group of out-of-their-depth drug growers, our heros decide to stitch up the robbers in turn. In a way the confusion really starts when a pair of antique double-barrelled shotguns go missing in a completely different scam.