Jack Peril is the beloved hero of radio, comics, and the silver-screen, but is his existence merely fictional? What does a series of grisly murders and a new lecture series condemning the pulse-pounding parables of said Mr. Peril have to do with it all? And just who is The Yellow Menace? Mitch and Charlie, along with Ray (the luckless cop) and Isla (the inquisitive maid), plan to find out!