The lady agent travels to an ancient world. She smartly counters her scheming step-mother, pretends to be an innocent pushover, and makes a fool of cheating men. Fate ties the knot between her and the Seventh Prince, a man holding military power and rumored to have remained single even into his twenties! Who'd expect... Heroes may fall for fair ladies. When the general meets the badass lady agent, his coldness would turn into gentleness. Tada! A new model husband is here!