[1] The book takes place in the distant future on the fictional world of Isis.
Mike Flynn, a Galactic wanderer, spots Isis, and plans to corrupt the inhabitants to obtain the precious firestones.
He promises them a Forever Machine, which will supply them with a lifetime of ambrosia, which means they will never have to work for their food again.
When David and Moira succeed, Jody N'Kumo becomes president, instead of Roger London.
Moira decides to stay on Isis, and Guardian, goes with Mike Flynn.