The people of Arcadia, Missouri are forever changed when their deceased loved ones suddenly start to reappear.
Bellamy wants to have Jacob's tomb exhumed; Caleb claims he can't remember his death.
Maggie and Bellamy wonder if the river holds a clue that could connect Caleb's and Jacob's deaths.
Bellamy and Sheriff Fred try to find Caleb; Maggie gives Jacob a checkup.
Bellamy tries to keep Jacob safe but his past interferes; Elaine must find where Caleb hid money.
Maggie turns to a person from the past for answers about the mystery.
Tom leads the search for Rachael, as her situation becomes increasingly dire.
The return of the dead reaches critical mass, sending the town into chaos.