Watch Online Free on Watchseries. Based on Sax Rohmer’s third Fu-Manchu novel, The Si-Fan Mysteries (1917), this sensational episode sees Fu-Manchu partly paralysed by a bullet wound. The Devil Doctor snatches eminent surgeon Sir Baldwin Frazer to carry out the delicate operation he needs. Dr Petrie, abducted by Fu-Manchu’s scheming assistant, Zarmi, must assist – and choose a playing card to determine whether he lives or dies...