Sang Nian (Sang Yunling), whose thesis plagiarism check came back at zero percent, unexpectedly dies and transmigrates into a cultivation novel, becoming the vicious supporting female character who abused the male supporting character, Xie Chenzhou, and ultimately died at his hands. To avoid being sent by the system to mine coal, she must win Xie Chenzhou's heart within seven months. Facing the guarded young man, whose body is covered in scars, Sang Nian (Sang Yunling) tries to change the plot while taking him away from the City Lord's residence and helping him join the Xiaoyao Sect. During secret-realm trials and investigations into missing-person cases, the two repeatedly face danger side by side. She gradually discovers his past of abandonment and torment and offers him a promise no one has ever made: “I will never leave you.” Meanwhile, Xie Chenzhou, who says one thing but means another, gradually falls for her amid her favoritism and protection.