Life and Death Coffin

On the day of her mother's 60th birthday, her daughter-in-law Wu Lili had an affair with an outsider in the house and was discovered by her mother-in-law. To prevent her mother-in-law from telling her husband Zhang Haizhong, the two accidentally killed her. At this time, Zhang Shengnan arrived home, and Wu Lili and her adulterer Zhao Hongbo quickly faked the scene. Zhang Shengnan discovered many doubts after her mother's death, until her niece Xiaobao opened her mouth to tell the truth.