A "death ray" developed by a former Scotland Yard inspector and his associates is stolen by a villain known as "the Scorpion." But when the Scorpion learns that the device is missing a crucial piece, he tries to locate it while Blake races to stop his nefarious plans. Ralph Byrd, Herbert Rawlinson, Joan Barclay star in this featurized version of the Victory serial. 61 min. Standard; Soundtrack: English.