The nanny at her aunt's house was killed in the garden; her aunt was found dead in the lotus pond in the garden; and Mu Yongting, who was resting at her aunt's house due to neurasthenia, was stimulated and suddenly remembered the memories she had lost before she was 12 years old, but forgot what happened after she was 10 years old. She finally committed suicide in the study on the second floor, leaving a suicide note: Everything is my fault! !