Yi YeTing is struggling with occupational leukemia and trying to obtain compensation from his employer. Wanting to help others, he begins working for a non-profit that assists workers with occupational illness and injuries. He discovers there are dozens of workers in his area who were poisoned while making smartphones. Through research in the community, he discovers a leukemia cluster in the neighborhood surrounding Apple’s main supplier, Foxconn. Yi’s research leads him to several workers and their families who are trying to survive despite overwhelming health care costs. Powerful forces are unleashed as he confronts local factories, putting his own safety at risk.