Set during the Napoleonic wars at a time of national economic struggles, "Shirley" is an unsentimental yet passionate depiction of conflict among classes, sexes, and generations. Struggling manufacturer Robert Moore considers marriage to the wealthy and independent Shirley Keeldar, yet his heart lies with his cousin Caroline. Shirley, meanwhile, is in love with Robert's brother, an impoverished tutor. As industrial unrest builds to a potentially fatal pitch, can the four be reconciled?