The play tells the story of Lu Xueni, a senior executive in a Japanese company, who lives with her mother who is a Japanese war orphan and her son who is less than 5 years old. The sudden death of her Japanese mother made Lu Xueni feel overwhelmed with grief. Lu Xueni, who has no one to rely on, is busy dealing with her mother's funeral by herself, and at the same time, the pressure of work and the education of her children are overwhelming him, but there is no one around her that she can trust. At night, Lu Xueni is often troubled by various nightmares and unbearable past events
When Lu Xueni was in so much pain that she could no longer hold on, an old rural lady from the Northeast told Lu Xueni that she was her biological mother. As a result, the mystery of Lu Xueni's life experience was revealed bit by bit. The sudden appearance of her biological mother gradually brought laughter to Lu Xueni's life, and gradually warmed Lu Xueni's heart. Just when Lu Xueni had accepted her new life, she unexpectedly discovered that this sudden blood relationship was a misunderstanding. At this time, Lu Xueni felt a thunderbolt from the blue sky.