When did February Red know the girl's cause of death?
Focus 44. Through the plot analysis of Old Nine Gates, it is shown that in the 44 episodes of February Red, it is known that the girl's death is caused by the virus on the hair clasp given by Chenpi. "Old Nine Gates" is a TV series directed by,,, with Nanpai's three uncles as producers and starring, Lei and Zhao (special guests).