Tribble twins, mannish Amy and fluffy Effy, groom minister's orphan Harriet Brown for the London Little Season. The black-tressed beauty captures the green eyes of Lord Charles Marsham to rescue green-eyed cat, enlists him to match the sisters to nabobs Haddon and Randolph, and dressmaker Yvette to her runaway beau. Jealous enemies lurk with kidnap intent.