Bethia, the poor baron's adopted daughter, has spent her life as a mere tool, enduring cruel abuse. But one day, she unexpectedly crosses paths with a mysterious duke at the temple. Upon hearing her name, the duke desperately pleads with her to become his daughter-in-law! To make things even crazier, her supposed fiancé is willing to hand over all his wealth to her. Wait, what? Is everyone around here out of their minds? Why is all this happening to me?