- Chen Tan (Aaron Kwok), a private detective in Thailand, travelled to Malaysia following the clues in a photo. There he looked for a man called Chai, who might help reveal the truths behind the murder of his parents 30 years ago. Chen found Zheng (Nick Cheung), a Malaysian detective born in China. Together they met Chai's daughter, ZhiWei (Jiang Yi Yan) for more clues.
Jiang Yi Yan