The Tuck family is confronted with an agonizing situation when they discover that a ten-year-old girl and a malicious stranger now share their secret about a spring whose water prevents one from ever growing any older.

Fourteen-year-old Kezi and Olus, Akkan god of the winds, fall in love and together try to change her fate--to be sacrificed to a Hyte god because of a rash promise her father made--through a series of quests that might make her immortal.

The Pandavas call on old friends, make new allies, and face fearsome trials as they embark on a mission to stop the Sleeper from accessing the nectar of immortality, but ultimately Aru must decide who deserves immortality--the devas or the asuras--and an unexpected answer comes from an unexpected place.