A Test of Time (S01E05)

Kagame's return begins with a reset of Liber8’s agenda, away from violence and towards blending into the community and fostering their revolution through co-opting existing structures. But they have a vulnerability - the possibility that if their ancestors, living in this time, are murdered, they might cease to exist. A test of this theory is devised and Kiera and her grandmother are the guinea pigs. (iTunes)