Female college student Shengshan Huancai assassinated her father, a well-known painter, after the anchor interview. Because of her good appearance, plus the sentence left behind after she was arrested: "find out for yourself my motives." "this has led the media to keep exaggerating reports about why a promising daughter killed her father. Why doesn't she understand why? At the same time, Zhenbi, a clinical psychologist, was commissioned by Ji Publishing House to write a book about the story of Shengshan Huancai, so he began to study the incident. A fox-like girl with a complicated relationship. When the people around him testified against the doubtful parts of Huancai, Yu Ji found that there was a key memory missing in Huancai. If you find the first love in your memory, will you be able to unravel the reason for killing your father?