At his father-in-law's wedding anniversary, live-in son-in-law Gu Tingshen stumbles upon the illicit affair between his mother-in-law Lin Wanqing and his good brother He Ming, only to be framed by the two and pushed into the deep sea to drown. Reborn with deep resentment, he installs a camera in He Ming's room in advance, publicly exposing their illicit union. He Ming is caught red-handed hiding under the bathtub foam, and their affair is exposed. Afterwards, Gu Tingshen registers a new company to transfer Shen family assets, and collects evidence of Lin Wanqing and He Ming transferring property and poisoning Shen Hongyuan. Finally, at the shareholders' meeting, he ruins their reputations, takes back the company, and lives a happy life with his wife Shen Zhaoning and father-in-law Shen Hongyuan.