Marine Jack Patrick Ryan (Chris Pine) is a passionate man with strong patriotic feelings. During his mission in Afghanistan, the helicopter he was riding was attacked by enemy fire, and Jack was seriously injured and almost died. During his recovery, he fell in love with the kind and beautiful medical student Cathy Mueller (Keira Knightley). At the same time, he was also CIA officer Thomas Harper (Kevin Costner). After recovering from his injuries, he sneaked into Wall Street and monitored every source of funds that might endanger national security as an analyst. Jack, whose identity and mission are extremely confidential, also has to keep his girlfriend silent, and for this he has to endure all kinds of inexplicable doubts and speculations. One day, Jack discovered that Russia may be using finance to launch potential terrorist attacks on the United States. In order to find out the truth, he went to Russia alone, but who would have thought that he would be in the most dangerous situation...