Who Killed Sara? 1x2 Bad People Season 1 Season 1 10 EpisodesSeason 2 8 Episodes 1x1 - It Wasn't a Mistake 1x2 - Bad People 1x3 - Love, Sara 1x4 - The Monster in the Family 1x5 - Life Insurance 1x6 - Hunting 1x7 - Fear and Guilt 1x8 - Where Dreams Become Reality 1x9 - Watch the World Burn 1x10 - Two Graves César refuses to tell Elisa what happened to Sara 18 years ago, so she turns to Álex for answers. Chema and Lorenzo start looking for surrogates.