The Knocking on the Door(1923)

The Knocking on the Door is a thrilling adventure serial episode featuring the cunning Dr Fu-Manchu, a master of disguise and villainy. Disguised as a long-bearded professor, Fu-Manchu infiltrates London's Madame Tussauds waxworks, setting in motion a sinister plot. Meanwhile, detectives Nayland Smith and Petrie abandon the capital to investigate disturbing and uncanny occurrences at a remote country cottage. As the mystery deepens, the sleuths must uncover Fu-Manchu's true intentions before his elaborate scheme reaches its climax. This installment captures the serial's signature blend of suspense, exotic intrigue, and clever deception.