"Veteran police officer, Bai Qing Xiong, forms an agency called CCI which aims to crack unsolved cases. Through this agency, he hopes to give a proper closure to family members of the victims."

"Jieming has photos of Haifeng and Xiaoqing quarrelling in the park. He is certain Haifeng is the murderer. Yuyang is doubtful, while Junyan is convinced Haifeng is the murderer."

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