I Will Repay (The Pimpernel Novels‪)‬

It has been ten years since Juliette de Marny’s father asked her to swear revenge upon Déroulède for the death of her brother in a duel. At last she finds herself in Déroulède’s house with an easy opportunity to betray him to the citizens of France for conspiring against the people. But Juliette realizes, too late, that she is in love with Déroulède. Can the Scarlet Pimpernel rescue Déroulède from certain death by guillotine? Will Déroulède forgive Juliette for her betrayal of him? Romance and intrigue abound in this delightful swashbuckler.