Engineer Bruce Gordon (Kane Richmond) has electrical machines of his own and he detects where the impulses are coming from and heads off to Africa. There he discovers Zolok and his crazy plans as well as his ability to create an army of giant men. Zolok also has a genius scientist (Josef Swickard) and his beautiful daughter (Claudia Dell) captive...
So all the usual ingredients for a sci-fi serial. Plenty of sparks and humming machines (because in the 1930s unless you had arrays of high voltage electricity sparking away it wasn't SCIENCE), endless fights, cliff hangers and re-used sets and costumes. Nothing we haven't seen before but campy, frenetic fun as a 1930s serial should be.
