After the events of "The Avengers", Tony suffers from post traumatic stress disorder after the Battle of New York as he realized that there are bigger threats out there and he must protect Pepper, people and everyone he loves from being killed. However, he resists the trauma when the leader of the Ten Rings, the Mandarin, tries to kill him. Now stranded without any of his technology Stark must find a way to come back to home and stopping the Mandarin from destroying America.