A Scotland Yard inspector and his reporter friend arrive on vacation in a small village and are immediately involved in what is claimed to be a murder but the body has disappeared, leaving it to the inspector to find the body, determine the motive and find the killer.
George Shuttleworth is convinced that he has the talent to win the Isle of Man TT races, despite what his neighbours back home in Wigan may think. During the trials, the brakes go on George's bike, 'The Shuttleworth Snap', which he made himself. As a result, he breaks the TT lap record, becoming an instant motor-cycling star. As the big race approaches, George soon realises that other jealous riders will stop at nothing to make sure he does not take part in the race. An early George Formby film and probably his best.
A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
