Michaela's mystifying, next-level calling launches her on a mission that brings her relationship with Jared to a head. Determined to protect his family, Ben explores an alternate meaning to Michaela's calling that leads him to a new alliance and a powerful new adversary. Cal's struggle with Ben's absence from home forces the Stones into an agonizing confrontation that could alter the family's fabric forever.

When Saanvi goes missing, Ben suspects a fanatical group who have become obsessed with the passengers from Flight 828. Michaela must face the consequences of her reunion with Jared. Zeke returns to New York and has an ominous calling.

The Stone Family struggles to unlock their mysterious wave of frightening 828 callings, while the person who may be key to solving them is trapped behind bars. Meanwhile, a shocking and disturbing incident leads Grace to suspect a local mom is in danger.

Michaela is pushed into the midst of a high-stakes bank robbery perpetrated by a mystery assailant. As Ben and TJ piece together an arcane set of mythological clues, Adrian draws Olive further into the world of the Believers.

When Grace and Cal are involved in a suspicious hit-and-run, Ben is determined to get to the bottom of it. Michaela investigates a brutal attack at the Church of the Believers, but finds her efforts stymied by Adrian's refusal to cooperate. Zeke is tested when he tries to make amends with someone from his past.

Ben and Saanvi work together to orchestrate a surprising family reunion for an emotionally closed-off Flight 828 passenger. Meanwhile, Olive drifts further away from her family, Jared learns more about a growing cabal of anti-828 sentiment, and Michaela finds herself out on a limb when baggage from Zeke's past threatens to destroy his tenuous new life.

Tensions flare as the passengers of Flight 828 finally come to understand the meaning of their increasingly terrifying callings. Afraid of losing his daughter to the Church of the Believers, Ben confronts Adrian. Zeke challenges Michaela's trust, and Saanvi seeks help from an old flame.

When Grace's pregnancy complicates the pursuit of a calling, Ben finds himself working alongside an uneasy new ally. Michaela tries to make amends with Jared, and the X'ers set their sights on Zeke.

The consequences of Ben's actions tests his marriage and sends Grace reeling. Michaela makes a difficult decision regarding Saanvi's secret. Cal, following his intuition, provides secret refuge to an outcast.

The Stones are reunited with Olive, yet their happiness is quickly interrupted when Cal runs away. As Michaela struggles to help the passengers avoid a deadly threat, her relationship with Jared sours over mistrust.

Ben and Saanvi undertake a treacherous mission. Michaela and Zeke race to stop a passenger before his actions turn deadly. Jared and Vance's team up reveals secrets that could upend their lives.

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.

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.

The passengers race to solve their Callings as Saanvi tests a theory on the patients. Eagan makes a surprising move. Michaela confronts hard truths.

All signs point to the end of the Earth, spurring the Stone family and the passengers to work together and decipher cryptic clues before time runs out.

The Death Date has arrived. As tensions erupt and revelations emerge, the passengers of Flight 828 reunite and face the unknown together.