As a physics professor of Northwest University, Mr. Dai meets some difficult with his son, student, and wife. At the last paragraph of his life, a series of softhearted stories happened.
Five years ago a Western virus swept the Central Plains, transforming people into bloodthirsty monsters. They were called "blood demon." Everyone knows that Ouyang Chun used his ancestral divine sword to kill the source of the virus, the "Demon Ancestor", but unbeknownst to him, his lover, Yue...
