Xu Yi meets his online girlfriend, Bai Ling'er, in person, only to discover that she is actually a Miaojiang Saintess who possesses the art of Gu sorcery. Faced with Ling'er's intense possessiveness and insistence on marriage, Xu Yi gradually goes from fearfully avoiding her to falling in love. Bai Ling'er adapts to campus life, and their relationship grows closer through repeated encounters and crises. Meanwhile, Bai family's older brothers descend from the mountains one after another to test Xu Yi. A misunderstanding eventually leads Ling'er to decide to leave. In the end, the third brother, Bai Ye, arranges a drinking party to test Xu Yi. After getting drunk, Xu Yi reveals his true feelings, bringing a major breakthrough in their relationship. This animated comic adaptation is based on the Tomato Novel Gu Xin Yi Ling by author Lu Zhihui.