Better Burton, but not best British leave-no-stone-unturned tradition...The eccentric enigma of the disappearance of one-legged Coulston confronts Merrion and Arnold of the Yard as his wooden leg is found, but not his body, and the curic he prized is stolen. Close, correct detection by Merrion and Arnold finally locate the corpse, the curio, and the girl he was to marry, and enable them to solve a problem in robbery and murder.