A threat to the Stone family tests Michaela's commitment to play by the rules and forces Grace to make a difficult decision. Ben enlists the aid of an old rival to save an old friend. Olive helps a new friend solve a calling that unearths a startling connection.
When Montego Air Flight 828 landed safely after a turbulent but routine flight, the crew and passengers were relieved. But in the span of those few hours, the world had aged five years - and their friends, families and colleagues, after mourning their loss, had given up hope and moved on. Now, faced with the impossible, they're all given a second chance. But as their new realities become clear, a deeper mystery unfolds and some of the returned passengers soon realize they may be meant for something greater than they ever thought possible.