In this vast expanse of space, not only mortal recognition, there is only the present world only, but there are twelve time and space with a strange and evil demon co-exist, this story has one of the iron time Start to expand. Xiu holds on to this difficult mission and comes to the Iron Time and Space in the same quadrant. By chance, he discovers Xia Tian, who has a very high supernatural power index. He is Wang Dadong's clone in this time and space, and he is very likely to become the only strong man in the Iron Time and Space - the Ultimate Iron Man. Once this identity is established, Xia Tian will have the ability to save the twelve time and space. However, Xia Tian, who does not know the truth and has no interest in becoming the Ultimate Iron Man, can he become the Ultimate Iron Man? And what crises will Xia Tian encounter in his supernatural adventure?