He threw open the thick-walled door of his time-machine and pulled it shut behind him. He sat down before the controls and began to chart his course for 1650.
It has been 60 years since the great Red Death wiped out mankind, and the handful of survivors from all walks of life have established their own civilization and their own hierarchy in a savage world. Art, science, and all learning has been lost, and the young descendants of the healthy know nothing of the world that was-nothing but myths and make-believe. The old man is the only one who can convey the wonders of that bygone age, and the horrors of the plague that brought about its end.
An alien soldier tries to get a guide to take him to his rescue point, but he has managed to pick a con-man. The guide repeatedly tries to steal the alien's pack of goodies, which he recognizes as the titular survival kit, in the hopes of selling it off as advanced tech.
The sixty stories of the perfectly constructed Colossus building had mysteriously crashed! What was the connection between this catastrophe and the weird strains of the Mad Musician's violin?