An optimistic and lively girl Xiaohui died unexpectedly in a villa. Gao Fushuais boyfriend Shen Ze became a suspect. Because of the evidence on the spot, the police closed the case and Xiaohui died. Two years later, Xiaohuis sister Enjing and her friend Xiaoxi jointly launched an investigation. They disguised their identity and deliberately approached Shen Ze, posing as the ghost of Xiaohui, and forced Shenze..