In Sheng Shicai's opinion, his brother Sheng Shiqi was killed by his wife Chen Xiuying, who was arrested on 21 March. In Chen Xiuying's confession, she was convinced by her husband's friend, Ratov, who told her that Sheng Shiqi had an affair. Out of jealousy, she started seeing Ratov. However, this relationship was discovered by Xiao Zuoxin, who blackmailed Chen for sex and later forced her to murder Sheng Shiqi for her safety.
