What's the story of the TV series Houhai?

Mainly: graphite, Huo He are half-brothers. Twenty years ago, the criminal police graphite captured Huo, who was as close as a big brother, in a drug trafficking case. Graphite's new wife also died, but the principal offender was not arrested. Twenty years later, Huo was released, but graphite, who had taken off his police uniform, was bent on his return and asked his third brother police officer to investigate secretly. Qixia, graphite's remarried wife, is the editor-in-chief of TV programs. She is very puzzled by her husband's abnormal behavior, and the life story of her 20-year-old daughter KINOMOTO SAKURA is becoming more and more confusing. Qixia misunderstood that Huo's sister-in-law Shen Haiyan was graphite's lover for many years. Shen Haiyan is both happy and worried about her brother-in-law being released from prison. A series of bizarre events followed, and the marriage between graphite and Qixia encountered an unprecedented test. The vortex of fate has repeatedly caused waves in the ordinary lives of three families. Graphite, who loves a pair of children deeply, foresees that all this comes from a huge conspiracy. Who is hiding behind the scenes? Can twenty years of mysteries and misunderstandings be solved? Affection, love and brotherhood support our pursuit of truth and spiritual salvation.