Monica, an ugly duckling who had a crush on Norman since childhood. However, everyone thought that Isabella, Monica’s outstanding and beautiful twin sister, was a perfect match for Norman. Even though Monica knew that Norman was her destined mate, she still kept it secret.

One day, Norman discovered that Monica was his mate and proposed to her.

But just before their wedding, Isabella lost a leg because of Norman. Therefore, Norman felt guilty and went back to Isabella again.

When Monica thought she would be single for life, Alpha Martin, who was known as the next Wolf King, showed up. He confessed, "Monica, I don't want to be your Uncle Martin, I just want to be your husband."