'50/50' deliberately puts its protagonists -- and its viewers -- onto a collision course with the future of what connects us all: Human Genetics. Three women, each in an agonizing predicament, linked by one of nature?s cruelest fates: Huntington's Disease. Now that genetic testing is improving our ability to forecast the timing and circumstances of our own death, how will human behavior be transformed? What will be the unintended consequences of the Human Genome Project? And how can the worst thing that can happen to us turn out to be the best thing that ever happened to us?