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.

Michaela, Vance, Jared and Zeke's search for Ben at the compound leads to an explosive confrontation — and a divine miracle.

Everyone is forced to adjust as Cal guards a secret, Eagan pursues his own mission, and Michaela uncovers a tragic murder.

After finding another dead body, Michaela and Jared try to track down a serial killer. Cal goes on a date. Zeke faces old demons.

Caught in a tough position, Cal attempts to clear his name as the search for the killer continues. Saanvi tests a theory on a reluctant volunteer.

An ominous Calling shakes up Michaela and Zeke’s party. Cal and Ben receive devastating news. Michaela, Saanvi and Eagan look for the Omega Sapphire.

As the Stones race to find the Omega Sapphire, Ben finds hope in a Calling that reunites him with a familiar face. Zeke faces a difficult choice.