When the Maharaja of Bekar dies suddenly and mysteriously, Captain Congo and his loyal offsider Pug are despatched by the Agency to investigate. They arrive in India to find the Palace of Rajputana teeming with intrigue. Even as preparations begin for young Prince Beki to be anointed as the next maharaja, it is clear that powerful enemies are scheming against him. While Pug goes deep under cover, the ever-observant Captain Congo races against time to unravel the villains' plot.