Mapleton, New York, small-town police chief Kevin Garvey juggles personal and professional challenges as the three-year anniversary of The Departure - when millions of people worldwide suddenly vanished - approaches.

In the wake of a series of disturbing encounters, Kevin visits a therapist. Tom finds himself in a precarious situation with Christine. Meg is asked to part with pieces of her past. Jill and Aimee tail Nora Durst, a local celebrity since her entire family disappeared.

In the face of dwindling church attendance and threats on his life, the Rev. Matt Jamison continues to preachhis gospel: that many who disappeared were sinners and not saints. Matt's campaign is detoured when he learns he may lose the church to foreclosure.

A nativity scene goes wanting sending Kevin scurrying to find the culprit. Tom and Christine run into trouble at a hospital and on the road. Kevin retrieves a surprise detainee from a neighbouring police station. The Guilty Remnant put their stamp on the holiday season.

Laurie's resolve is put to the test in the wake of a brutal hate crime. After his latest initiatives to maintain the peace fall short, Kevin turns down an outside offer to rid the town of its problems. Matt brings his pulpit to the street, and Meg takes on a new role.

Nora Durst finds herself adrift during a Departure-related conference in New York. Agitated that her ID has been pinched, Nora scours the convention for her imposter, and ends up getting detoured by an amorous salesman, a best-selling author, and a rogue attendee.

After learning his father has escaped the psychiatric hospital, Kevin orders an APB to track him down. Jill attempts to break an endurance record. Holed up in Indiana, a disillusioned Tom makes an unsettling discovery.

Kevin fears he's losing touch with reality after finding himself in a difficult situation involving a leader of the Guilty Remnant. Meg loses control during another encounter with Matt. Jill confronts Aimee about her rapport with Kevin. Nora finds her privacy invaded.

Kevin tries to suppress his bad habits while tracking down a marauding deer. Laurie receives some not-unexpected news amidst a rising sense of foreboding. Tom connects with his past, against his better judgment. Nora has a job interview. Kevin Senior receives an honour.

An unexpected ally helps Kevin get out of a jam near the town of Cairo. Meanwhile, a Memorial Day initiative by the Guilty Remnant plunges the town of Mapleton into chaos. Holy grants a final wish. Tom copes with his new reality. Nora makes a life-changing decision.

A prominent family meets their new neighbours in the only Departure-free town in America - Jarden, Texas, renamed "Miracle" after it was discovered no one departed - and experience a mysterious event that will forever change their lives.

The new Garvey clan gets a fresh start in the safety of Miracle. Nora makes an impulsive choice, while Kevin gets entangled in the Murphy family's problems.

Laurie and Tom Garvey's work to rescue lost souls takes a toll on theirs. Laurie seeks to spread the word about the Guilty Remnant's dangers, while Tom's infiltration of the cult uncovers a whole new nest of problems.

Nora awakens to find Kevin missing and her hopes of safety in their new town dashed. The Murphys are left reeling after Evie's disappearance. Kevin returns home but without his memory of the night before or his cell phone, which would link him to the missing girls.

Rev. Jamison takes his wife Mary outside Miracle to seek answers about her condition, but their lives take a dangerous detour when he's barred from returning. Racing to get her back into Miracle, he struggles to keep Mary safe from tourists squatting outside the town.

Unexpected visitors get under Nora's skin and she becomes preoccupied with a burning question about herself. Kevin's predicament becomes impossible to ignore. Erika finds an unlikely ally and reveals haunting secrets.

Nora gives Kevin and Jill news they weren't expecting. Kevin deals with the fall-out and explores his options re tackling his Patti problem head-on. Jill goes on a solo adventure that could only happen in Miracle. Laurie makes a rash decision that affects the Garveys.

In the wake of Kevin's desperate decision to vanquish Patti, questions and answers emerge as the world adjusts to the repercussions of what comes next.

A personal loss and subsequent pilgrimage to Miracle offer clues on why Meg embarked on her path as a Remnant crusader. After a fallout with Laurie, Tom seeks to reunite with Meg.

Kevin comes clean to a sceptical John about his connection to Evie's disappearance, as Miracle faces an unexpected threat on the fourth anniversary of The Departure.

Kevin Garvey has returned to his role as police chief. Although he seems to have moved past the incredible events surrounding his "resurrection", the Seventh Anniversary of the Sudden Departure is weeks away and many believe another apocalyptic event may come with it.

In her official capacity as fraud investigator for the Department of Sudden Departure (D.S.D.), Nora travels to St. Louis to investigate a possible scam that involves convincing the family members of The Departed there's a way to see their loved ones again.

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. Unfortunately, God gets in the way.

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.

Nothing is answered. Everything is answered. Then it ends.