Jane, the eldest of the Cavenhurst sisters, is passionately in love with Mark Wyndham, but keeps this secret deep in her heart, because Mark is the fiancé of her sister, the beautiful Isabella. The family has long been accustomed to taking advantage of Jane’s kindness and hard work; it never occurs to anyone that she, too, has the right to happiness. But one day Mark noticed that his fiancee’s older sister was pretty, smart and, unlike his future wife, kind and sympathetic. They are simply made for each other. You can't break off an engagement - it's a scandal and dishonor. And then a groom appeared for Jane. Events develop unexpectedly and rapidly, and no one knows how it will all end...