Three brothers, who greet with hostility any attempt to court their younger sister - with such defenders of poor Elinor Griffin there is nothing to count on except for a dull marriage of convenience. In the end, the young lady still achieves the right to go out into society, however she must be accompanied and protected by the brothers' best friend, the Marquis Deverill. Elinor is not at all against a voluntary guardian - a famous London heartthrob. But for some reason, all her attempts to seduce the Marquis turn out to be in vain. The rake decided to play knight? Outrageous! But no man has yet been born whom a beautiful girl could not fall in love with. If, of course, he wishes...