After her father's death, Ran and her mother, Chengjiang, relied on each other for survival. One day, while Chengjiang was traveling, a man visited. This man claimed to be Chengjiang's former boss when she was an office lady. The man's expression grew increasingly serious, and he began to recount how he and Ran's father were rivals in love. "Because of a failed relationship, I raped Chengjiang in front of your father, resulting in my arrest and twenty years in prison!" After saying this, the man attacked Ran…