Li Zhixu accidentally passed through the book and became cannon fodder Li Qingchuan's biological sister. She only wanted to reverse the tragic ending of her brother. She ran around and around, but unexpectedly saw with her own eyes the hidden feelings between Li Qingchuan and Tian Yuning, and fell headlong into the entanglement between the two. The two were estranged, fell into darkness one after another, experienced a long and painful separation, and were entangled in countless misunderstandings, creating a deep sadomasochistic love that was difficult to break.