Henrietta Lacks, a poor tobacco farmer whose cells were taken from her during a medical procedure in 1951 became known to science as HeLa.  HeLa became one of the most important tools in medicine, cells used to develop the polio vaccine, cloning, gene mapping, in vitro fertilization, and more. Henrietta’s cells were bought and sold by the billions, yet she remained unknown.  Henrietta’s daughter discovered accidentally that her mother’s cells generated billions of dollars, and yet she was unable to afford basic health insurance. The family began to fight for the cells.