Zainab is on the run. Her siblings are terrified. Shafia is plotting a mass murder. But how did a plan to murder Zainab and possibly Rona develop into a plan to murder Sahar and Geeti too? How did they bring Zainab back from the shelter? What went down inside that Nissan Sentra just moments before it drowned, killing 4 women? And what was it all for? Find out in part 3 of The Shafia Family Murders.