Three years have passed since the GR invaded Miracle. Kevin works as a cop again. Rumors rise that the seventh anniversary of the Sudden Departure will bring an apocalyptic catastrophe.

Nora travels to St. Louis in her role as an investigator for the Department of Sudden Departure.

With the clock ticking towards the anniversary of the Departure and emboldened by a vision that is either divine prophecy or utter insanity, Kevin Garvey, Sr. wanders the Australian Outback in an effort to save the world from apocalypse.

Kevin and Nora travel to Australia, where she continues to track down the masterminds of an elaborate con, while he catches a glimpse of an unexpected face from the past, forcing him to confront the traumatic events of three years earlier.

Convinced it is Kevin's destiny to be in Miracle for the coming seventh anniversary of the Departure, Matt Jamison impulsively heads to Australia in an effort to bring Kevin home.

Laurie Garvey, a former therapist, must become one again as she heads to Australia to help Nora and Kevin along their paths.

On a mission of mercy, Kevin assumes an alternate identity.

After two percent of the world's population disappears, those left behind struggle to understand.