It revolves around four women's love, hate and grudge that spanned across ten years. One day, policeman Chen Xi received a report of a missing woman. Investigation unravels the woman's identity, and a shocking bullying case in high school that happened ten years ago. Ten years ago, Han Xiaoting's former classmates, Liu Tao, Zhang Beilei and Chai Zijing once left a "thorn" in a heart with their betrayal and hurt. In the present, their lives are entangled together once again as they become involved in the revenge plan setup by Han Xiaoting.
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