Ben heads on an international mission with Vance to seek a clue that may finally unlock the mystery of Flight 828. An intense calling leads newlyweds Michaela and Zeke on an adventure of their own. Saanvi attempts to forget her past sins.

While investigating a Calling, Michaela finds a mysterious stowaway. Ben clings tightly to his beliefs. Cal comes out of hiding to pursue a lead.

Hidden voices on the black box draw Saanvi in. Cal sneaks to see an apprehended Henry. During a podcast appearance, Ben seeks help.

Cal tries to understand his scar. A Calling leads Michaela to 828 co-pilot Amuta, who sheds light on what he saw. Ben makes an emotional connection.