A compilation of three short Corto's adventures all set in 1917. In "Heads and Mushrooms", he's in Maracaibo, Venezuela apparently suffering from slight amnesia. His friend Jeremiah Steiner, a down-on-his-luck elderly former university professor he met and helped in "Under the Sign of Capricorn" is keeping an eye on him until he recovers. Influential local antiquarian and Steiner's acquaintance, Levi Columbia, brings them a long lost diary written by a famous explorer who disappeared in the jungles of Venezuela while searching for the legendary mythical city of gold - El Dorado. He suggests that Corto continues the perished explorer's journey since there are clues in the diary to where El Dorado might actually be. Levi will finance the expedition, of course. He also gives Steiner a small bag of hallucinogenic mushrooms that supposedly restore memory. The journey proves to be an ill-fated one. Or does it? In "Banana Conga", Corto is in Honduras seeing the Mosquito coast and visiting a ...