New police officer Lin Wei entered the women's prison with the original intention of escaping from the life-and-death pressure of the hospital, but was unexpectedly assigned to the old, sick and disabled ward - an isolated island within the high wall that is closest to the end of life. In the past five years, with the eyes of a doctor and the responsibility of a police officer, she has witnessed the broken lives and struggling humanity behind the "female prisoners" defined by social labels.