After the Substitute Marriage, My Dandy Husband Became Chancellor and Won Me a Title

In her previous life, Shen Zhiwei took her half-sister's place and married into a poor family. She worked hard all her life and helped her husband rise to the position of chancellor, only to be killed by her half-sister and husband working together. Before she died, she learned the truth: her half-sister had deliberately switched their marriages, pushing the harder life onto her.