In order to compete for a place to study abroad, Jiang Yan (Song Jia) and doctoral student Xiao Lin (Asi Gu) fell into an ignominious competition. After her dedicated mentor Liu Feng (Shi Liang) was discovered by her fiancé Wu Zheng (Zhu Hongjia), she accidentally killed him and buried the body at home. From then on, Jiang Yan was shrouded in a nightmare that she could not get rid of. After Jiang Yan found out that she was pregnant, she went to her mentor for help. The mentor asked Xiao Lin, who had an ambiguous relationship with him, to take care of herself. Jiang Yan didn't want Xiao Lin to know about the dirty things between her and her mentor. She felt that there was another pair of eyes behind Xiao Lin's eyes, and she couldn't figure out what it was. Jiang Yan accidentally discovered that the daughter of the mentally ill patient Yang Daming (Liu Bo), who was originally arranged by her mentor for her research, was not dead, and Yang Daming was not a mental patient. What exactly was the mentor going to do...