After transmigrating into a minor villainess destined to be killed by her future husband, the male lead, she decides to avoid him and escape her tragic fate. However, after discovering how impoverished his ducal family is, she changes her plans. With five years left before she can divorce him, she decides to restore the family’s fortunes, raise her young husband well, and secure a hefty divorce settlement. But as she grows increasingly attached to the sweet and adorable boy, she begins to suspect that there may be something dangerous hidden beneath his innocent appearance.