When she learns that her oldest friend, Vidal Noyes, is missing, Gale Blackburn wastes no time reviving her commando past to search for him. A recent conversation with Vidal leads her to conclude that he's been kidnapped by conspirators, actually Vidal's co-workers at NASA, in an attempt to steal the plans for his most recent invention. Using a garbage bag of money which Vidal keeps in a secret closet, Gale hires a "reformed" drug smuggler to search the islands and ocean around Florida. She then employs an Everglades Indian and a militia group to help her search for Vidal on land. Once Vidal...