Biotech has replaced machines. Qrude young artist Zad Plant works with living paint. But Zad's career is on the skids, and wife Jane has thrown him out. Enter qwet-or quantum wetware. Qwet makes you high-and it gives you telepathy. A cultural evolution begins. But hungry mouths begin popping out of the air and eating people. Zad and Jane travel through a wormhole to confront the aliens. And they meet something stranger than ever imagined. What is the Big Aha? SF master Rudy Rucker's wildest adventure yet.