When a widow’s family moves to the big city, two of her sons become romantic rivals, with deadly results.

While touring in Italy, a recently-widowed American opera singer has an incestuous relationship with her 15-year-old son to help him overcome his heroin addiction.

The professional mercenary Sir William Walker instigates a slave revolt on the Caribbean island of Queimada in order to help improve the British sugar trade. Years later he is sent…