Human embryonic stem cell lines are generated from blastocysts - early human embryos. But what are blastocysts, and when does personhood begin? What justifies research? Doctors, scientists, ethicists, theologians and a patient bring their different points of view, in this thought-provoking exploration of the ethical issues surrounding stem cell research.

This 19-minute film aims to encourage open debate about the ethical issues around stem cell research. It is structured in chapters, each addressing a key ethical question.