Qu Qingzhi time-travels into a book to become a vicious supporting female character, bound to a plot system where she must humiliate the major villain Xie Muhan as required to assist his corruption, or else she will be electrocuted to death. Although she acts according to the plot, she often secretly helps him, and their relationship changes. However, the system makes trouble, causing them to part and reunite several times due to the plot, and their feelings become increasingly complicated amidst the twists and turns.