Still reeling from the shocking outcome of Cal's calling, Michaela digs deeper into her connection with a mysterious stranger. After a close call with Major's henchmen, Ben finds himself facing a terrifying new threat that is growing exponentially. Meanwhile Saanvi has new data to mine, and she's more than happy to dig into it until the threat arrives at her doorstep as well.

When Michaela meets the mysterious James Griffin during a police investigation, the passengers learn what happens when the callings fall in the wrong hands. Meanwhile, Jared finds out about Zeke, setting him at odds with Michaela and her trust in the callings.