Retirement means immortality. Immortality means adventure. Life begins at seventy. Running on the world's fastest quantum computer is a very special game: one where retirees leave their flesh-and-blood lives in search of endless adventure. Weapons, spells, gold, experience points... These are the marks by which life is now measured. Ethan Crane wants none of it. In fact, he never wanted to retire at all, let alone play a game...