The Reborn Daughter Poisonous Concubine

In her previous life, she killed the person she loved to seek the throne for him, but was ultimately abandoned by her lover and died tragically in the palace. After her rebirth, she married him by mistake. In her previous life, she was kind to others, but she was harmed by others at every step. In this life, she will take back all the humiliation she suffered in the past and make those who have plotted against her pay the price. But how to face a man who has died in his own hands? Didn't we already make a three-part agreement before getting married? Why is he still messing around? !