Michaela, Ben Stones, and the other passengers on Flight 828, discover that years have passed when they land in New York, but they haven't aged a day. They are reunited with loved ones and try to piece together their old lives.

Michaela is conflicted when she comes face-to-face with her best friend, who is also Jared's wife; Ben hears mysterious music in his head, moving him to help a fellow Flight 828 passenger reconnect with his son.

Michaela and Ben look into the death of a fellow Flight 828 passenger; Saanvi discovers something unusual about Cal; Ben is anxious for the safety of his family.

Michaela and Saanvi share a vision that leads them to a stowaway; Jared takes the fall for someone else; Ben comes face-to-face with his replacement.

Flashbacks show how Grace, Olive, and Jared dealt with the loss of their loved ones after Flight 828 vanished. Ben attempts to block the voice in his head by going on an adventure with Cal.

Cal battles a life-threatening fever; Ben and Michaela search for a missing passenger from Flight 828 and discover much more than they bargained for.