Vivien Leigh (Gone With the Wind), in her best role since Scarlett O'Hara, is the most tragic adulteress of all - Leo Tolstoy's Anna Karenina. After falling in love with Alexei Vronsky, a Russian army officer, Anna scandalises Moscow by leaving her husband and child to live with him. But when her forbidden lover's ardour cools, she finds herself outcast by an unforgiving society and she must make a desperate decision about her own lovelorn fate.