After five years, Arasilla has a prophetic dream where she sees her sister dying as a sacrifice in a political marriage. To prevent this tragedy, she decides to marry in her sister's place. Her partner is none other than Damian, a knight who is the younger brother of her sister's former lover. The problem is that Arasilla is a mage while Damian is a knight. With completely opposite personalities and values, the two constantly bicker and compete with each other.