When Song Xiaoyu is unexpectedly pulled into a scripted world as a tragic heroine fated to be discarded by the villainous male lead, she tries to escape, only to be trapped in an endless loop of fatal outcomes each time she strays from the plot. No matter how hard she resists, the story keeps pushing her toward Nan Heng, the cold and calculating lead. As she navigates this paper-thin world where every character is bound by fate, Song Xiaoyu must fight not just for her survival, but for control over her own story.

It tells the story of a pair of mortal enemies who accidentally became a couple but fell in love with each other in a series of bizarre cases and finally chose to fight side by side.

Luo Lingyu, a fallen noblewoman, travels to Yuezhou with her sister to seek refuge. On the way, she rescues a destitute man but later forces him to jump overboard due to societal norms. Unaware that the Lu family's third young master is the man she pushed into the water, she tries to win his favor—only to be repeatedly thwarted. He watches her struggle, exposing her every move, yet when she turns to someone else, he refuses to let her go!

During the final stages of the Liberation War, Captain Zhuang leads a small PLA unit to pursue a retreating Nationalist regiment hiding in Heishan Temple, where a contagious disease has spread among their soldiers. Disguised as medical assistants, Zhuang’s team infiltrates the temple to assist Dr. Wei, a local physician captured by the Nationalists. Together, they treat the sick, contain the outbreak, and map the tunnels to rescue soldiers who wish to defect.