In this rewriting of history, Sid gets an experimental treatment for his concussion that has some rather unusual side effects. Geno helps him out. There are complications.

This was really, really not normal behavior for Gerard - not for real, normal Gerard, and it was even a little abrupt for the imaginary Gerard who lived in Frank's head and came out during his Special Alone Times with his dick.

Sam and Dean have always been oddities among the dragonriders; the youngest man to Impress a Bronze dragon in a hundred years and a boy who turned his back on the riders to become a dragon healer instead. But when fate steps in and chooses a far different path for Sam, the brothers and all the Weyrs of Pern will have to come to terms with much greater changes in their traditions.