Assistant Sang Xia was tortured by the big star Yan Chu Ting. She accidentally entered the script that was being filmed and became the ancient master of Changdu. She needed to find the murderer hidden among the five candidates before the wedding, otherwise she would die and fall into the plot cycle. Although she has modern thinking, she has to deal with her mother urging her to marry and the jealousy of the second master Sang Ya, and she is also full of doubts about Yan Chu Ting, who looks the same as her ex-boyfriend. In the process, Sang Xia was forced to maneuver with five candidates with their own thoughts, including Mu Han and Fu Yun Xi. While incarnating as a black lotus, she tried to eliminate everyone while working with Yan Chu Ting to expose Mu Han's crime and solve the frame-up of candidates.(Source: iQiyi)~~ Adapted from the short story "Zhe Ge Jun Zhu Bu Jian Dan" (这个郡主不简单) by Zhang Yun Xin (张芸欣).