Jaxom, a rebellious youth, and Ruth, his white dragon, fly into another time to retrieve the queen's stolen egg, thereby averting a dragonrider war, and find their planet threatened once again by a Threadfall.
On Pern, men breed and train great fire-breathing dragons to help them fight the deadly silver Threads that fall from the sky, destroying all life-forms, whenever the Red Star passes near.
A band of renegades, led by Lady Thella, rise from the ranks of criminals and the disaffected and pursue Aramina, who has a telepathic link to the dragons, as their quarry.
A band of renegades, led by Lady Thella, rose from the ranks of criminals and the disaffected and pursued Aramina, who had a telepathic link to the dragons, as their quarry.