In a British colony in West Africa, Henry Scobie is a pious and righteous man of modest means enlisted with securing borders. But when he's passed over for a promotion as commissioner of police, the humiliation hits hardest for his wife, Louise. Already oppressed by the appalling climate, frustrated in a loveless marriage, and belittled by the wives of more privileged officers, Louise wants out. Feeling responsible for her unhappiness, Henry decides...