《Hidden motivation》Episodes

The woman secretary arrested in the case of Zhou Anyuan turned out to be an undercover new team member Jiang Zhen, who was seconded by the police. In a couple's engagement banquet guests collective poisoning, only the bride Zheng Huan died on the spot, the intelligence team found the wedding site candles containing paralytic toxin. Knowing her daughter's death, Zheng Jian died of a sudden heart attack. Liu Xiaoqin to the restaurant to eat, someone tampered with the menu. Liu Xiaoyin died of starch allergy, the investigation team found Liu Xiaochen's father is also the wedding guest list.