The first of the popular Sax Rohmer (Arthur Sarsfield Ward) mystery novels to be made into a talking feature is a fairly good job, reaching the same level of chilling suspense as the novels and later radio shows. Benevolent looking, overweight Oland (known for his renditions of Charlie
Chan) is the evil green-eyed Chinese doctor bent on revenge against the British officer who commanded forces during the Boxer rebellion. It was during this time that Oland's wife and son were killed, warping the doctor's mind to the extent that all he can think about is vengeance. To assist him,
he uses the daughter of an English official killed during the Rebellion. The girl is put ...