Three illegal drug dealers launched out on a voyage in a homemade submarine. The submarine worked well initially, but it started to malfunction. In attempting to reduce the weight somehow, they were investigating the cargo section when they discovered a young female, Reina, hidden there, and she looked appalling. As the situation gets worse, the tensions among the three men are...
「怪物刑警」马锡道（马东石 饰）这次要对抗的是规模最大的网络非法赌博组织首脑．白昌其（金武烈 饰），他是特种部队佣兵出身的恶徒；另外还要对付IT业界出身的天才CEO．张东哲（李东辉 饰）。马锡道将与华丽回归的张夷秀（朴智焕 饰）、广搜队及网络搜查队合作，展开更胜以往的扫荡行动！
