This film is a biographical film about the great mathematician of the 20th century, John Forbes-Nash Jr. (Russell Crowe) published a famous game theory when he was a graduate student. Although the theory was only 26 pages long, it had a profound impact in the fields of economy and military. But when John Forbes-Nash Jr. became internationally famous, his outstanding intuition was troubled by schizophrenia. However, this did not stop him from advancing to the highest level of academia. With the encouragement and help of his beloved wife Alicia (Jennifer Connelly), he walked slowly but never stopped. In the end, with more than ten years of unremitting efforts and tenacious will, he got what he wanted.