In the Season 3 finale, Kiera and Liber8 find themselves in an unlikely alliance as they work together to stop a power-hungry Alec from unleashing his dangerous new technology; at the same time, Kiera's relationship with John Doe appears to be doomed as forces push them to opposing sides in a larger conflict. Meanwhile, Scar Alec comes to learn that Kellog has been making his own game-changing moves.