In 1947, an amendment was made to the Production Code that cleared the way for the production and release of films dealing with drugs, and Hollywood wasted no time driving through the "drug" door. (Drugs still couldn't be smoked or used free-will or for receation, though.) While not the first film to take。电影讲述了一伙贩毒集团从境外走私毒品违法犯罪引起警方的高度重视,为了查清其走私途径以及销售渠道,缉毒队长宇帆带领队员与毒贩李勇斗智斗勇。。