For the Marquis Barbezieux de Saint-Rosay, nobility is important. If anything can comfort her, it's her family tree. In order to erase any doubt he invites in his castle a cousin of his established in Scotland, whom he instructs to bring him his titles of nobility. A first person introduces himself, calling himself his cousin, but it's not him. Then one, then two, then three false cousins appear in turn. Will the real Saint-Rosay of Scotland eventually present itself?
Ruined by her banker, Antoinette becomes her driver. She signs a contract which assures her of the reimbursement of her fortune if she manages to support the banker for three months. She wins his bet, but falling in love with him, she tears up the check and marries him.