Michaela, Ben, Zeke and Saanvi all have the same calling. After another panic attack, Saanvi is finally ready to see a therapist, but it may not be what's best for her.

Another non-passenger appears to have come back from the dead, and Ben, Michaela and Saanvi want to know why. This mystery-man is also having callings. Plus, Saanvi experiences PTSD.

Ben and Michaela try to figure out what Zeke's return means in the bigger picture. Cal has another ominous calling. Saanvi gets a visit from someone looking to her for hope and salvation.

Michaela tries to find out more about Zeke, a hiker who disappeared for two years and may be one of them. Public disdain for the passengers of Flight 828 rises.

Ben and Grace rush upstate to find a kidnapped Cal, using his drawings as clues to his whereabouts; meanwhile, Michaela interrogates a traitorous Autumn, who may know more than she lets on.

Captain Daly is desperate to prove that he is not at fault for the disappearance of Flight 828, and he needs Ben's help to clear his name. Michaela unknowingly lets a traitor into her home.