Chandu consults his crystal ball and sees that Nadji, Princess of Egypt, is in danger. She is about to be sacrificed by the black magic cult of Ubasti. Headed for the magic island of Lemuria, he is shipwrecked , washed ashore and captured. He becomes invisible, escapes and after numerous detours is able to rescue the princess.
A drug dealer on the run from the law meets an innocent young girl and her brother, and turns them into “cocaine fiends”.
A crooked nightclub owner, pretending to go straight, is forced to kill a henchman when the latter tries to run off with the gang's latest haul.
