You Are Only Allowed to Cry One More Time

After 4 years of escaping, Guan Jing returned to this city. She never thought that the small incident she encountered on the train would cause her to deviate from her original life track. Was it the beginning of a disaster or a destined fate? Is it revenge 20 years later or just a forbidden love? What's hidden behind that little attic? If the truth of the matter really requires the passing of a life to explain, will we continue to pursue it?