Diana, the Saint of Perezte.
She married the Duke of the North, who was called the cold-blooded man, and gave birth to her daughter Catherine, who lived happily ever after.

No, she thought she was happy.
Until I found out that my husband and best friend were cheating on me secretly.

"Dumb Diana." I'm this dull woman who swapped your daughter with mine."

“Then, who is really my daughter…?”

“I killed it. For daring to bring food to you and breaking my order, the new owner of the mansion."

With Alicia's last words, Diana loses both her real daughter and her life.….

Diana, who miraculously returned to the past, promises revenge and enters Loueri, the next candidate for the state of Maetap, into the house.

Will she be able to get her real daughter back and take revenge on those who have betrayed her?