Why did Guo Yannuo, a former famous reporter in Licheng, resolutely quit his job and changed his name to Guo Zhihuan after a two-year in-depth undercover investigation? Live carefully with your mixed-race baby, but whose child belongs to him? What kind of life experience did she know and conceal about her ex-husband Gu Chengning? Is there any bad past between her and Gu Chengning? What kind of entanglement does the biological father of the mixed-race baby have with her?