Absentia - Season 3 Episode 8

Emily rescues Nick, and together they devise a plan to liberate the refugees from the Meridian camp. Meanwhile Cal, pretending to be a Meridian guard, has infiltrated the camp. In the wake of Thompson's murder, Crown and Gunnarsen uncover clues pointing to a surprising suspect. Warren and Flynn have been safe at the farmhouse, but a surprise visit from Jack brings danger in the form of an old foe who follows him there.