When the scientist behind a new engine that can refuel itself from "the atoms of the air" is killed, the man's daughter and her fiance must stop a villain from taking the device and using it for his own nefarious purposes. Energetic silentserial stars Neva Gerber, Ben F. Wilson, and Allan Garcia. 15 chapters; 3 1/2 hrs. Standard; Soundtrack: music score. Silent with music score.
