When Flight 828 lands in New York, Michaela and Ben Stone and the other passengers learn that years have passed, but they haven't aged a day. They reunite with loved ones, piece together their old lives and deal with mysterious voices in their heads.

The passengers from Flight 828 find themselves under government scrutiny as they struggle to resume their lives. Michaela is forced to confront the fact that Jared is married to her once-best friend, while Ben tries to help a fellow passenger reconnect with his son. Cal is approached by an obsessive stranger, as Grace and Olive disagree on whether or not to reveal a devastating secret.

Michaela and Saanvi have a similar vision, but it takes them some trial, error and teamwork to heed the call; Jared takes the fall for Michaela's misstep at work; Ben comes face-to-face with the man who replaced him.

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.

Willing to follow any lead to keep his son safe from The Major, Ben heeds Cal's calling to help Captain Daly clear his name for what happened to Flight 828. The journey uncovers a seeming conspiracy that stems all the way back to the day the plane disappeared. Meanwhile, Michaela assists Autumn in her own journey of redemption.

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.

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.

As the passengers adjust to a frustrating new reality, Ben and Michaela seize an opportunity to solve a Calling, with the Registry in hot pursuit.

Michaela finds a welcome distraction in helping Jared with an investigation. Cal tests a new ability. Ben and Saanvi try to decode a mysterious message.

Michaela heads to a dock with Jared to look into Ben's Calling. Saanvi walks Cal through a daunting task. A dark presence infiltrates the Stone family.

As terrifying plagues descend on the detention center, Saanvi scrambles for a solution and Michaela steps up in a crisis. Cal attempts to reach Angelina.