By the end of Who Killed Sara. What happened in the ending of Who Killed Sara. Project Medusa Who Killed Sara Season 2 Ending Explained By Rui Alves Fanfare Medium Season one ended without revealing who actually killed Sarah. . Needing help Sara calls the Lazcanos and César comes over. In season 2 Marifer lost both her sisters Sara and Clara. She also found out that her own father Abel Martinez killed her mother when she found. We do know who wanted Sara dead all those. This means that he could have found out that Saras baby wasnt his which would. At the end of Season One we still dont know who killed Sara or if shes truly dead. The show focuses on Saras brother Álex Manolo Cardona who took the fall for his sisters murder for. But according to the ending Sara didnt die immediately after falling from the parachute. Season 1 episode 10. Season one ended without revealing who actually killed