Modern heroine Chu He transmigrates into a cannon fodder character in a novel and falls into the Gu pool of A Jiu, the Miao Frontier Gu King. To save her life, she lies that the two have a betrothal and that she is carrying his child. A Jiu is innocent and easily fooled, protecting Chu He everywhere. The two travel together to the Central Plains, encountering serial women missing cases along the way. Upon investigation, they discover that the villain relies on Youluo flowers to control puppets, attempting to prolong life with human hearts. Chu He and A Jiu join forces to uncover the conspiracy of the alter ego Song Tingxue. After going through dangers in a cave and fierce battles with Gu insects, the villains ultimately reap what they sow. Chu He also completely falls in love, staying together and keeping company with the Gu King.