Socialite Anatol Spencer, finding his relationship with his wife lackluster, goes in search of excitement. After bumping into old flame Emilie, he lets an apartment for her only to find that she cheats him. He is subsequently robbed, conned, and booted from pillar to post. He decides to return to his wife and discovers her carousing with his best friend Max.

American law clerks Anthony Hamilton Hawthorne and Rodney Blake are nearly broke in Monte Carlo when Hawthorne breaks the bank. While driving through the impoverished kingdom of Bovinia, Hawthorne falls in love with a woman he meets when he retrieves his blown-off cap. Deciding to stay, Hawthorne is persuaded to finance a revolution until he learns that the woman he loves is Princess Irma and that she is in danger of being assassinated.

Jimmy Dent , son of John Dent, the maker of the reliable but plain Dent automobile, is dismissed from the firm after he refuses to drive a Dent. He goes west with the Tyler family, owners of a rival automobile firm, in one of their expensive high speed cars.