动作电影《瞄准南半球》内容简介：A US submarine runs into a time rift. A special unit goes on a mission to see what’s on the other side. They find themselves in an alternate dystopian America, now a one-man dictatorship. They decide to help the rebels. /有关《瞄准南半球》详尽内容参考《瞄准南半球》豆瓣讨论区