Pepero and his friends reach a town that was abandoned due to the fiery eruptions of a nearby volcano (which seems to be El Misti). They also rescue an old man who tried to give the volcano a sacrifice of corn to calm its fury and was about to be burned by a sudden eruption. Later, while lying in his bed, Titicaca asks the old man why he intended to give that volcano a sacrifice. He answers them that inside the crater of the volcano there is an old temple that contains hidden clues about how to find El Dorado. After hearing Kana playing a melody with her quena (flute), the old man recognizes it as one melody played by a person who had been on El Dorado. When he is told that Kana has lost her memory, the old man (who seems to be a shaman) replies that he can prepare a beverage that can help her view her past like in a hypnotic trance, but warns that it might be a dangerous and traumatic experience for her. Advice given, Kana still accepts to submit to the powers of the mysterious ...