In 2007, a worker at a pork processing plant in Minnesota suffers nerve damage so severe that he can no longer move his legs. Within a few months, his co-workers begin to develop similar alarming symptoms. Investigators search for a common thread, and what they find is more disturbing than anything they could have imagined.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.