Did You Kill My Father and Brother? It's Not Too Much for Me to Destroy Your Whole Family, Right?

In her previous life, Li Wan didn't know people well. She married Xu Beian, the prince of Zhenyuan Hou. After marriage, she devoted herself to taking care of the family. She thought she could live in harmony with her for the rest of her life. However, when her father and brother died in battle, she was murdered by a scumbag and pushed off a cliff. Under the cliff, she accidentally learned that her father and brother died in the war, her mother died of illness, and she was infertile. It turned out that the scumbag had never loved her, but only coveted the glory brought by the Li family. After her rebirth, she wanted to get back everything the scumbag owed her, one by one. She also wanted to get to the bottom of her father and brother's death in battle, and her mother's death from illness...