A desperate teenager is forced into the dangerous world of underground fighting to win enough money to save his ailing mother. He finds out what he's made of in the face of these violent hungry competitors.
民国时期，关中乾州地区时局动荡，黑恶势力鱼肉百姓，猖獗于众。为了改变长期遭受蹂躏压迫的局面，神医李道安与有志之士苏青云想团结老百姓起来反抗，但却拿不出来有效的解决方案。女主杨春丽留学归来，思想先进，洞若观火。男主彦碧虽然武功高强，但也只想解决温饱。然而在杨春丽的感染指点下彦碧开始有了思想，想为社会做出自己的贡献。最后在李道安，苏青云和女主杨春丽，男主彦碧两代人的共同努力下，老百姓团结一致，最终战胜了黑暗。
In “Muzzle: City of Wolves,” Jake Rosser (Eckhart), haunted by PTSD from his days as a K-9 officer, endeavors to lead a peaceful life with his family and retired K-9 companion, Socks. But the tranquility quickly dissolves when a ruthless gang targets them in a brutal attack. Determined to protect his loved ones, Jake and his new K-9 partner Argos delve into a violent underbelly...
王龙（吕小龙 饰）曾因走私犯罪被判刑，出狱后决心重新做人。国际刑警组织谷队长发现王龙头脑清晰，思路敏捷，愿将其收到麾下，与此同时，意大利黑帮头目马克知道王龙出狱，也想将其拉入组织。审时度势，王龙加入了刑警组织，并成功打入马克黑帮内部。不久，他辗转来到香港，结识了毒枭罗江。在一次国际毒贩首脑会议上，因利益分配不均发生火拼，王龙奋力将处于险境的罗江救出，从此，罗江对王龙委以重任。几天后，他派王龙和其亲信陈威回中国开辟贩毒市场，将毒品由金三角转道缅甸，再输入中国，由中国运到世界任何角落。俩人一入境，即受到警方的严密监控......
