"George Byron Brummel" (John Barrymore) is a soldier and not an especially significant one at that. He falls in love with the "Lady Margery" (Mary Astor) and though she reciprocates to an extent, she's not prepared to sacrifice her status to marry him so instead marries the "Lord Alvanley" (William Humphrey) and leaves her erstwhile paramour to the life of a bit of a libertine. The best way to achieve success at doing very little is to attach oneself to one even better at it, and so he engineers a meeting with the Prince of Wales (Willard Louis) and soon the pair are firm friends and…