Synopsis：After Tang Qi had a miscarriage, she discovered that her husband Ji Qingyuan had cheated on her and may have killed the child. There was a possibility of insurance fraud. She tried to collect evidence, but fell into mental confusion. She was taken to a psychiatrist by her husband and was finally diagnosed with schizophrenia. At this time, the appearance of her high school classmate Su Zheyi made her begin to doubt what was hidden behind all this.