Here's the deal. Give Gabriel Todd your brain, and you'll live forever. Gabe'll freeze your head in a flask - and three hundred years from now, you'll be reborn in a new, perfect body. You will be immortal. Unity Siddorn wants in. She has her own plans to save the world - with genetically pumped tomatoes, as you ask - but she's already thirty-bloody-one years old. In actuarial terms, her life is 41.3% over. She'll do anything for more time. Suddenly, Gabe's theories are about to be put to the test - though circumstances are admittedly less than ideal. The police tend to take a professional interest in a freshly severed head. It's not something you can easily hide...