Lin Huizong often drives north to see his wife, Xu Yu'e, at the Medical College of Fuzhou University. Xu Yu'e is a "dissection teacher", that is, a deceased person who donated his body to be used as anatomy class teaching materials. In Asia, which attaches great importance to the burial of the deceased's body, doing so often requires facing the reluctance of relatives. And what changes will this dedication bring to the family, teachers and students of the medical school? What does "alive" mean? When the end of life is not physical destruction, but the impact left on future generations, how will people decide the color of their lives?