When Iris finally locates the young man she met in a bar, something is not right. He has become a recluse. He is a billionaire. And, most terrifying of all, he’s dying of old age

To solve this mystery, she travels to Phoenix Springs: a desert oasis, home to a strange community. Under utopian appearances, she soon realises the inhabitants conceal dark secrets that are hard to unveil — and harder to believe.