General! She Rised to the Top

In her previous life, she devotedly loved her husband and did everything she could to help him rise in his career. However, he betrayed her, having an affair with her best friend, strangled her, and annihilated her entire family. Given a second chance at life, she encounters her husband's political rival and decides to join forces with him. This time, watch as she becomes resilient and strategic, successfully taking revenge on the scoundrel.