◎影片剧情: Li Xiayan is the wife of the successor of Ilsing Group. She owns everything: a luxury penthouse, a luxury car and everything else. Li Xiayan was found poisoned in the hotel room and died. The investigation shall be carried out in a confidential manner without interference from the media. But this case is very mysterious. No fingerprints of the murderer were found in the hotel room. There is no indication of a broken inlet...