After her father, Cheng Rixuan, went missing, the young Cheng Luoyu relied on her mother, Du Yamei. For years, Du Yamei exerted psychological control over her. As Cheng Luoyu continually struggled against her mother, she lost her friends, her lover, and her job. After an accidental fall into the sea, Cheng Luoyu woke up a changed person. Not only did she dare to stand up to Du Yamei, she also began taking revenge on those who had once bullied her. But Du Yamei had no idea that this rebellious and ruthless daughter before her was not the Cheng Luoyu she knew. She was Fu Yuyan, the daughter Du Yamei had abandoned twenty-four years ago and Cheng Luoyu's twin sister. The real Cheng Luoyu remained unconscious after falling into the sea. Fu Yuyan had returned to uncover the truth about why Du Yamei abandoned her, find her biological father Cheng Rixuan, escape the troubles caused by her adoptive family, and secretly protect her older sister, Cheng Luoyu. To uncover the truth, Fu Yuyan was willing to join the criminal underworld, exploit her adoptive family's wealth and connections, use Cheng Luoyu's ex-boyfriend Tang Haohui as an intermediary, and sell her soul and dignity. But the closer she got to the truth, the more the secrets lurking behind it chilled her to the bone. She even found herself facing threats of death...
