In one of his numerous appearances as the immortal Detective Wong, the equally immortal Boris Karloff radiates with characteristic charisma and intensity. In this thrilling installment, Mr. Wong uncovers a smuggling ring on the waterfront of San Francisco while investigating the murder of Captain Street's best friend. With a tightly woven plot line and quick-witted dialogue, The Fatal Hour is one of the strongest of Monogram's Mr. Wong film series.