Yaşar, a young man, has a hard time after his father's death. His inheritance from his father causes Yaşar to have problems with his stepmother.

　　香港商界头面人物何森，以做生意为幌子，借内地某厂优质免检化工产品出口之机，不断将从我国西南边境贩来的毒品偷运进港。为彻底捣毁这个国际贩毒集团，香港警署派韦南、李彤来内地协助破案。何森与毒贩尹大华密谋，让走私匪徒化装成我边民，兵分两路声东击西偷运毒品入境。另一面，韦南、李彤遇到了重重困难，先后受伤