Hong Kong detective Chan [Anthony Wong] travels to the mainland city of Quangxi in search of the killer of his partner years earlier. Along with his new partner Lily Yeung [Li Fei], a mainla... Read allHong Kong detective Chan [Anthony Wong] travels to the mainland city of Quangxi in search of the killer of his partner years earlier. Along with his new partner Lily Yeung [Li Fei], a mainlander living and working in Hong Kong, they enlist help from Wendy Wu [Carrie Ng], chief of... Read allHong Kong detective Chan [Anthony Wong] travels to the mainland city of Quangxi in search of the killer of his partner years earlier. Along with his new partner Lily Yeung [Li Fei], a mainlander living and working in Hong Kong, they enlist help from Wendy Wu [Carrie Ng], chief of an elite all-female SDU.