There was an accident. The Basic Law of Genius tells the inspirational story of Lin, Pei Zhi and others who regained their love for mathematics and faced the real challenges during their journey across the parallel world. After his father, Lin Zhaosheng, suffered from Alzheimer's disease due to an accidental injury, Lin He inadvertently stepped into the parallel world to rescue Lao Lin in 2006, but with their efforts, Lao Lin finally had an accident. In this process, they also understand that death is inevitable, so we should cherish time.