Commander d'Espinac is found murdered. Having argued the day before the murder with Captain Bruchot, he is accused. The captain will have to conduct his own investigation if he wants to clear himself. His suspicions will fall on one of the three officers attached to his unit.
A young, newly-appointed rookie state trooper, John Shields, is celebrating with his sister Jane, his younger brother Freddie and Tom Marlin, Jane's fiancé and also a trooper, when they hear over the radio that two bandits have just killed a lawyer and his watchman.
The policy-racket reaches it lean, bony fingers into the ivy-towers of a large university and the underworld trying to “beat the numbers-racket” with applied mathematics.
In this British comedy, set during the Boer War, a foot soldier saves his major's life. The officer is most grateful and puts the soldier in line for a Victoria Cross (a medal for valor).