To not burden their impoverished parents, two siblings decide to share a pair of shoes after the brother loses the sister's. While this turns out to be more difficult than they imagined but fate offers a chance in the form of a marathon.
The crooks in London know how it works. No one carries guns and no one resists the police. Then a new gang appears that go one better. They dress as police and steal from the crooks. This upset's the natural order of the police/criminal relationship and the police and the crooks join forces to catch the IPOs (Impersonating Police Officers), including an armored car robbery in which the police must help the gangs to set a trap.
大唐天宝年间，曹家村世代守护着一柄镇村宝刀。曹叔公欲将守刀人之位传给弟子，却左右为难：大弟子文远志大才疏，实力不足；二弟子文武沉稳可靠，却突患手抖之症，难以持刀。与此同时，各方势力早已对宝刀虎视眈眈，外有混混贼人明抢，内有村长暗中设局，宝刀甚至一度遭人调包。在种种艰难险阻之中，文远与文武将如何识破阴谋？他们又能否守住这柄世代相传的宝刀与家族使命？
