A suspenseful opening of "inheritance of medical skills vs. Covetment by warlords" in the troubled times of the Republic of China - the drug store door that Shen Qinghe was smashed open by the butt of a gun, the riddle of a silver needle that Xiao Beichen had hidden for fourteen years, the hook chain of "three crescent symbols, a copper box, four silver needles, and a last-minute letter", and the topics of "she lit the lamp, she knew the way" and "love is like stars recognizing each other".
