Genius is on the left, madman is on the right. Everyone has a different perception of the world. Those who have achieved top achievements in a certain field tend to have more foresight and insight into the future, so they are easily regarded as crazy by ordinary people. John Nash was a young and outstanding mathematician who published far-reaching papers on economics, politics and other fields when he was still in graduate school. After graduation, he married his beautiful and gentle wife Alicia. Both of them are outstanding in the field of scientific research. Perhaps because of their strong genes, their son studied at Harvard University with excellent grades. Even so, Nash also fell into the vortex of life and suffered from schizophrenia. Imagine William Parcher, a member of the U.S. Department of Defense who often calls on Nash to serve his country. He imagined Charles again, he understood Nash's loneliness and was always carefree. The two voices appeared alternately. Alicia saw that Nash was tortured by the illness, so she chose to stand silently behind her to give guidance and encouragement. Nash finally defeated the disease and maintained a beautiful heart as always