 Acrobat Bert King agrees to help his old friend Art (they were both paratroopers in the war) in searching for the counterfeiters; his acrobatic partner "June Edwards" assists him actively.From the start of their involvement, they find themselves repeatedly threatened by two thugs, "Daley" and "Travis".Early evidence leads Bert and June to a cave which leads to an isolated beach, and contains gear belonging to the gang.