Su Ming was a top applied physicist in China in his previous life, but died suddenly from overwork. Reborn in 2005, he returns to an era when technology is just beginning to advance, yet the country is constrained on all sides. In 2005, after being reborn, Su Ming enters the national physics competition. Faced with an advanced problem on controlled nuclear fusion confinement, he casually derives the answer using a grand unified theory, shocking everyone.