Song Ting, deputy director of the Kaihe Compulsory Detoxification Center in Yunnan Province, has always adhered to the "people-oriented" working philosophy. She is often considered too idealistic with her passion for work. Luo Jing and Liao Mingkang, two important suspects of the overseas drug trafficking gang, were locked in Kaihe compulsory drug treatment center. While Leng Wenkun was investigating the case, Song Ting assisted and relied on her unremitting efforts and the support of leaders at all levels to complete the transformation of the "compulsory detoxification center" to a "safe island".

During the Republic of China era, a secretive pawnshop called Shenhong delivers vigilante justice for women harmed by others. Led by Si Jiali and her team, they help the vulnerable while drawing the attention of Detective Zhou Mu, whose pursuit uncovers a long-buried case entangling everyone involved.

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