But bailing on a corporate contract had its own catches. As part of the Calfree deal, Yamatetsu had injected Hendrix with nanites—symbiotic microorganisms that increased his ability to heal. But they’d also been tailored to produce a neurotoxin in the absence of a certain compound that was provided in the food. When Hendrix left, he no longer got the food, and without the chemical he was a dead man.