Buried Alive — Episode 4

Lin Wan boxed ten years for husband Gu, who fell for Sun Mengyao. Sun framed her, killed her mother, and caused her father's death. Divorced, Lin Wan joined a security agency, spent three years undercover, and destroyed a criminal network. Gu's firm collapsed; Sun was jailed. Lin Wan found love with Ren Yi; Gu died alone.