Reincarnated as the villainess destined to be killed by the male lead in a novel she once read, a woman vows to divorce him in ten years to ensure her survival. However, she finds herself in a freezing estate belonging to a once-powerful ducal family now on the brink of ruin. To make matters worse, the future male lead is still a young and fragile child. Can she restore the fallen duchy and raise the boy safely before her fate catches up with her?