Liberty Banks loves revenge almost as much as she hates one Mr. Paul Grimes, who, she considers to be the most improper creature she has ever clapped eyes on. But when her plans for revenge against Paul go bust, she suddenly finds herself walking down the aisle to him.

Once married, a battle of the wills breaks out as each tries to reform the other. Liberty wants nothing more than to have a proper husband, and Paul will stop at nothing to have is all too proper wife do something—anything—to break the rules of society, specifically to do the most improper thing imaginable, fall in love with the most improper man: her husband.