Reborn, Jiang Yun faces her elder legitimate sister, Jiang Wanyue, who has become deranged and selfish, and who crushed the family's imperial pardon token, sealing the family's destruction. Using secret court affairs as leverage, Jiang Yun allies herself with the powerful eunuch Pei Wujiu. She carefully plans every move to clear her family's name, joins forces to quell the Eastern Palace rebellion, helps Pei Wujiu ascend the throne, and eventually rises to become a Grand Secretary of the Cabinet. Jiang Wanyue's obsession drives her into madness and a tragic end, while Jiang Yun retires after achieving her goals, protecting the peace of the realm and the safety of her family.