The cast delivers wonderfully comic or heartbreaking performances, but much of this four-episode series' power comes from yet another outstanding adaptation by screenwriter Andrew Davies, who wrote the scripts for such BBC miniseries as Moll Flanders, Vanity Fair, and the hugely popular version of Pride and Prejudice with Colin Firth. The combination of Davies and Trollope results in a work of psychological depth, sly humor, and sheer storytelling mastery--just when you've decided someone is virtuous or odious, that character upends your judgment with an act unexpected yet completely plausible. He Knew He Was Right provides the pleasures of a thriller, a social satire, and a whirling romance. --Bret Fetzer