After hearing one of Elderbit's stories about the time that he and a group of miners were in a cave and how they were nearly harmed by a red light that Elderbit claimed was a demon light; Willibit, Lillibit, and Snagglebit decide to go into the cave to search for this light as well. However disaster strikes. There is a cave-in and Snagglebit is hurt. Willibit and Lillibit wonder how they are going to get out of the cave because no one knows they are there to help them and Snagglebit out.
טיפטיפ, טיפטיפון ונפו מחליטים לראות במו עיניהם את האור האדום הנמצא במערה העתיקה, אך הדבר כרוך בסכנות רבות.
Una disavventura in una grotta ha fatto ritenere la luce rossa emessa dal quarzo un'emanazione diabolica. Belfy con l'aiuto di Lillibit riesce a scoprirne la natura vera e risolvere un misterioso enigma.
