In Orphan Black, several apparently unconnected women discover that they are exact physical doubles -- they're illegally produced clones, and someone is having them killed. Law enforcement is powerless to help. The clones are forced to form their own Clone Club to defend themselves.

Orphan Black raises philosophical issues, as well as ethical and policy questions. What makes a person unique? Should we have a say in whether we're cloned? Is it immoral to generate clones with built-in defects? What does the behavior of the Clone Club tell us about the nature-nurture debate? Is...