Nick Caedwallan is dying. Lucy is running for her life. Thomas Whitefeather has died more times than he cares to remember. Three lives are joined by turritopsis dohrnii, a dime-sized jellyfish with a bright red stomach and the gift of immortality.

In the Fall of ’99, a teen’s fixation on her mysterious online friend is linked to a brutal murder atop the local lighthouse. Hunting the killer, a detective with a destructive secret uncovers a terrifying miracle that could save or doom the world.