Sudden death from overwork + unfulfilled wishes. In her previous life, the heroine Lin Wei was a fake daughter of a wealthy family and spent her whole life trying to prove herself. Finally, when her career was about to reach its peak, she died suddenly due to being framed by the real daughter and her admirers for a long time, causing double mental and physical exhaustion. The soul state sees all the truth and the ridicule of those people, and the strong unwillingness and resentment triggers the time and space to go back.
