A movie serial in 12 Chapters: US naval officer Don Winslow is given command of Tangita Island, near Pearl Harbor, where a ring of saboteurs is trying to destroy ships carrying supplies to the troops stationed in the islands and sabotage the war effort under orders from an unknown leader.
John Litel
Spencer MerlinRay Teal
Gang Radioman BarkerPaul Bryar
Saboteur Kramer [Chs. 3-4]Samuel S. Hinds
The CINCUS [Ch. 1]Peter Leeds
Seaman ChapmanEdward Hearn
Lead Henchman at Mill [Ch. 5]Lane Chandler
Henchman CorleyIron Eyes Cody
Native Henchman at Mill [Ch. 5]