The farmer Gu Wantang spent all her savings sending her husband, Lu Chengyuan, abroad. She raised their three daughters alone and supported her mother-in-law. Twenty years later, Lu Chengyuan returned with his mistress and illegitimate child, scheming to trick her into signing a divorce agreement that would leave her with nothing. Unexpectedly, the agreement became the starting point of Gu Wantang's counterattack, as her three accomplished daughters joined forces to expose the fraud. Everyone was stunned to discover that Gu Wantang was actually the major shareholder of Yunsheng Group, with a fortune worth hundreds of billions. Lu Chengyuan and his family saw their dreams crumble and ended up with nothing. Meanwhile, Zhou Dongqiang, her childhood sweetheart who had waited for her for years, finally confessed his love. After a lifetime of suffering and humiliation, she could finally hold her head high.