The Ace of Scotland Yard is a 1929 Universal movie serial.

[1] Retired CID inspector Angus Blake tries to prevent a female jewel thief named the Queen of Diamonds from stealing a valuable ring which, according to legend, carries a curse.

[3] Harold M. Atkinson wrote the serial and Ray Taylor directed it.

[4] Movie Age gave a positive review of the serial after watching the first three chapters, noting that "the picture carries a punch" and "if the succeeding chapters measure up with the first three, this serial is going to be a wow.

"[3] The Film Daily declared it "a gripping serial [that] carries a lot of fast action and suspense", specifically stating: "The camera work is exceptionally good, and the direction by Ray Taylor is aces.